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Finding the Fourth Proportional to 61,924.59, 92,884.14 and 43,149.20

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Solution

The fourth proportional to 61,924.59, 92,884.14 and 43,149.20 is: 64,721.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,924.59 : 92,884.14 = 43,149.20 : x
  2. Step 2: Convert to fraction form
    61,924.59/92,884.14 = 43,149.20/x
  3. Step 3: Cross multiply
    61,924.59x = 92,884.14 × 43,149.20
  4. Step 4: Simplify right side
    61,924.59x = 4,007,875,869.27
  5. Step 5: Solve for x
    x = 4,007,875,869.27/61,924.59
  6. Step 6: Final answer
    x = 64,721.88

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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.