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Finding the Fourth Proportional to 94,582.80, 141,874.20 and 38,422.80

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Solution

The fourth proportional to 94,582.80, 141,874.20 and 38,422.80 is: 57,634.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,582.80 : 141,874.20 = 38,422.80 : x
  2. Step 2: Convert to fraction form
    94,582.80/141,874.20 = 38,422.80/x
  3. Step 3: Cross multiply
    94,582.80x = 141,874.20 × 38,422.80
  4. Step 4: Simplify right side
    94,582.80x = 5,451,204,011.76
  5. Step 5: Solve for x
    x = 5,451,204,011.76/94,582.80
  6. Step 6: Final answer
    x = 57,634.20

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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.