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Finding the Fourth Proportional to 72,683,450,903.15, 109,025,176,354.73 and 72,683,450,903.15

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Solution

The fourth proportional to 72,683,450,903.15, 109,025,176,354.73 and 72,683,450,903.15 is: 109,025,176,354.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,683,450,903.15 : 109,025,176,354.73 = 72,683,450,903.15 : x
  2. Step 2: Convert to fraction form
    72,683,450,903.15/109,025,176,354.73 = 72,683,450,903.15/x
  3. Step 3: Cross multiply
    72,683,450,903.15x = 109,025,176,354.73 × 72,683,450,903.15
  4. Step 4: Simplify right side
    72,683,450,903.15x = 7,924,326,052,786,287,411,200
  5. Step 5: Solve for x
    x = 7,924,326,052,786,287,411,200/72,683,450,903.15
  6. Step 6: Final answer
    x = 109,025,176,354.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.