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Finding the Fourth Proportional to 69,457,884.32, 95,854,978.32 and 38,515,975.04

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Solution

The fourth proportional to 69,457,884.32, 95,854,978.32 and 38,515,975.04 is: 53,153,763.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,457,884.32 : 95,854,978.32 = 38,515,975.04 : x
  2. Step 2: Convert to fraction form
    69,457,884.32/95,854,978.32 = 38,515,975.04/x
  3. Step 3: Cross multiply
    69,457,884.32x = 95,854,978.32 × 38,515,975.04
  4. Step 4: Simplify right side
    69,457,884.32x = 3,691,947,952,432,861
  5. Step 5: Solve for x
    x = 3,691,947,952,432,861/69,457,884.32
  6. Step 6: Final answer
    x = 53,153,763.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.