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Finding the Fourth Proportional to 96,672,004.80, 145,008,007.20 and 53,673,835.20

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Solution

The fourth proportional to 96,672,004.80, 145,008,007.20 and 53,673,835.20 is: 80,510,752.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,672,004.80 : 145,008,007.20 = 53,673,835.20 : x
  2. Step 2: Convert to fraction form
    96,672,004.80/145,008,007.20 = 53,673,835.20/x
  3. Step 3: Cross multiply
    96,672,004.80x = 145,008,007.20 × 53,673,835.20
  4. Step 4: Simplify right side
    96,672,004.80x = 7,783,135,881,133,213
  5. Step 5: Solve for x
    x = 7,783,135,881,133,213/96,672,004.80
  6. Step 6: Final answer
    x = 80,510,752.80

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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.