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Finding the Fourth Proportional to 63,894,144.80, 95,775,898.80 and 31,496,218.40

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Solution

The fourth proportional to 63,894,144.80, 95,775,898.80 and 31,496,218.40 is: 47,212,129.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,894,144.80 : 95,775,898.80 = 31,496,218.40 : x
  2. Step 2: Convert to fraction form
    63,894,144.80/95,775,898.80 = 31,496,218.40/x
  3. Step 3: Cross multiply
    63,894,144.80x = 95,775,898.80 × 31,496,218.40
  4. Step 4: Simplify right side
    63,894,144.80x = 3,016,578,626,061,097.50
  5. Step 5: Solve for x
    x = 3,016,578,626,061,097.50/63,894,144.80
  6. Step 6: Final answer
    x = 47,212,129.30

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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.