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Finding the Fourth Proportional to 74,400.92, 111,601.98 and 24,484.40

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Solution

The fourth proportional to 74,400.92, 111,601.98 and 24,484.40 is: 36,726.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,400.92 : 111,601.98 = 24,484.40 : x
  2. Step 2: Convert to fraction form
    74,400.92/111,601.98 = 24,484.40/x
  3. Step 3: Cross multiply
    74,400.92x = 111,601.98 × 24,484.40
  4. Step 4: Simplify right side
    74,400.92x = 2,732,507,519.11
  5. Step 5: Solve for x
    x = 2,732,507,519.11/74,400.92
  6. Step 6: Final answer
    x = 36,726.80

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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.