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Finding the Fourth Proportional to 63,908,487.40, 95,862,731.10 and 53,704,820.20

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Solution

The fourth proportional to 63,908,487.40, 95,862,731.10 and 53,704,820.20 is: 80,557,230.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,908,487.40 : 95,862,731.10 = 53,704,820.20 : x
  2. Step 2: Convert to fraction form
    63,908,487.40/95,862,731.10 = 53,704,820.20/x
  3. Step 3: Cross multiply
    63,908,487.40x = 95,862,731.10 × 53,704,820.20
  4. Step 4: Simplify right side
    63,908,487.40x = 5,148,290,737,606,448
  5. Step 5: Solve for x
    x = 5,148,290,737,606,448/63,908,487.40
  6. Step 6: Final answer
    x = 80,557,230.30

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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.