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Finding the Fourth Proportional to 74,614.38, 111,904.02 and 47,879.52

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Solution

The fourth proportional to 74,614.38, 111,904.02 and 47,879.52 is: 71,808.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,614.38 : 111,904.02 = 47,879.52 : x
  2. Step 2: Convert to fraction form
    74,614.38/111,904.02 = 47,879.52/x
  3. Step 3: Cross multiply
    74,614.38x = 111,904.02 × 47,879.52
  4. Step 4: Simplify right side
    74,614.38x = 5,357,910,763.67
  5. Step 5: Solve for x
    x = 5,357,910,763.67/74,614.38
  6. Step 6: Final answer
    x = 71,808.02

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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.