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Finding the Fourth Proportional to 55,713,688.30, 83,570,532.45 and 55,713,688.30

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Solution

The fourth proportional to 55,713,688.30, 83,570,532.45 and 55,713,688.30 is: 83,570,532.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,713,688.30 : 83,570,532.45 = 55,713,688.30 : x
  2. Step 2: Convert to fraction form
    55,713,688.30/83,570,532.45 = 55,713,688.30/x
  3. Step 3: Cross multiply
    55,713,688.30x = 83,570,532.45 × 55,713,688.30
  4. Step 4: Simplify right side
    55,713,688.30x = 4,656,022,595,984,335
  5. Step 5: Solve for x
    x = 4,656,022,595,984,335/55,713,688.30
  6. Step 6: Final answer
    x = 83,570,532.45

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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.