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Finding the Fourth Proportional to 74,497.40, 111,743.62 and 32,377.52

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Solution

The fourth proportional to 74,497.40, 111,743.62 and 32,377.52 is: 48,565.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,497.40 : 111,743.62 = 32,377.52 : x
  2. Step 2: Convert to fraction form
    74,497.40/111,743.62 = 32,377.52/x
  3. Step 3: Cross multiply
    74,497.40x = 111,743.62 × 32,377.52
  4. Step 4: Simplify right side
    74,497.40x = 3,617,981,489.84
  5. Step 5: Solve for x
    x = 3,617,981,489.84/74,497.40
  6. Step 6: Final answer
    x = 48,565.20

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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.