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Finding the Fourth Proportional to 158,385.60, 237,751.20 and 88,401.60

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Solution

The fourth proportional to 158,385.60, 237,751.20 and 88,401.60 is: 132,698.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,385.60 : 237,751.20 = 88,401.60 : x
  2. Step 2: Convert to fraction form
    158,385.60/237,751.20 = 88,401.60/x
  3. Step 3: Cross multiply
    158,385.60x = 237,751.20 × 88,401.60
  4. Step 4: Simplify right side
    158,385.60x = 21,017,586,481.92
  5. Step 5: Solve for x
    x = 21,017,586,481.92/158,385.60
  6. Step 6: Final answer
    x = 132,698.85

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1.5x scale

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.