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Finding the Fourth Proportional to 149,894.20, 224,952.20 and 71,008.60

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Solution

The fourth proportional to 149,894.20, 224,952.20 and 71,008.60 is: 106,565.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,894.20 : 224,952.20 = 71,008.60 : x
  2. Step 2: Convert to fraction form
    149,894.20/224,952.20 = 71,008.60/x
  3. Step 3: Cross multiply
    149,894.20x = 224,952.20 × 71,008.60
  4. Step 4: Simplify right side
    149,894.20x = 15,973,540,788.92
  5. Step 5: Solve for x
    x = 15,973,540,788.92/149,894.20
  6. Step 6: Final answer
    x = 106,565.44

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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.