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Finding the Fourth Proportional to 158,793.60, 238,363.20 and 88,809.60

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Solution

The fourth proportional to 158,793.60, 238,363.20 and 88,809.60 is: 133,311.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,793.60 : 238,363.20 = 88,809.60 : x
  2. Step 2: Convert to fraction form
    158,793.60/238,363.20 = 88,809.60/x
  3. Step 3: Cross multiply
    158,793.60x = 238,363.20 × 88,809.60
  4. Step 4: Simplify right side
    158,793.60x = 21,168,940,446.72
  5. Step 5: Solve for x
    x = 21,168,940,446.72/158,793.60
  6. Step 6: Final answer
    x = 133,311.04

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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.