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Finding the Fourth Proportional to 63,801,145.80, 95,701,718.70 and 31,468,537.80

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Solution

The fourth proportional to 63,801,145.80, 95,701,718.70 and 31,468,537.80 is: 47,202,806.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,801,145.80 : 95,701,718.70 = 31,468,537.80 : x
  2. Step 2: Convert to fraction form
    63,801,145.80/95,701,718.70 = 31,468,537.80/x
  3. Step 3: Cross multiply
    63,801,145.80x = 95,701,718.70 × 31,468,537.80
  4. Step 4: Simplify right side
    63,801,145.80x = 3,011,593,152,435,917
  5. Step 5: Solve for x
    x = 3,011,593,152,435,917/63,801,145.80
  6. Step 6: Final answer
    x = 47,202,806.70

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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.