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Finding the Fourth Proportional to 63,830,846.80, 95,746,270.20 and 38,002,814.20

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Solution

The fourth proportional to 63,830,846.80, 95,746,270.20 and 38,002,814.20 is: 57,004,221.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,830,846.80 : 95,746,270.20 = 38,002,814.20 : x
  2. Step 2: Convert to fraction form
    63,830,846.80/95,746,270.20 = 38,002,814.20/x
  3. Step 3: Cross multiply
    63,830,846.80x = 95,746,270.20 × 38,002,814.20
  4. Step 4: Simplify right side
    63,830,846.80x = 3,638,627,716,753,597
  5. Step 5: Solve for x
    x = 3,638,627,716,753,597/63,830,846.80
  6. Step 6: Final answer
    x = 57,004,221.30

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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.