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Finding the Fourth Proportional to 74,126.60, 111,207.60 and 24,206.79

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Solution

The fourth proportional to 74,126.60, 111,207.60 and 24,206.79 is: 36,315.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,126.60 : 111,207.60 = 24,206.79 : x
  2. Step 2: Convert to fraction form
    74,126.60/111,207.60 = 24,206.79/x
  3. Step 3: Cross multiply
    74,126.60x = 111,207.60 × 24,206.79
  4. Step 4: Simplify right side
    74,126.60x = 2,691,979,019.60
  5. Step 5: Solve for x
    x = 2,691,979,019.60/74,126.60
  6. Step 6: Final answer
    x = 36,315.97

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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.