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Finding the Fourth Proportional to 105,591.57, 158,385.67 and 25,630.20

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Solution

The fourth proportional to 105,591.57, 158,385.67 and 25,630.20 is: 38,444.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,591.57 : 158,385.67 = 25,630.20 : x
  2. Step 2: Convert to fraction form
    105,591.57/158,385.67 = 25,630.20/x
  3. Step 3: Cross multiply
    105,591.57x = 158,385.67 × 25,630.20
  4. Step 4: Simplify right side
    105,591.57x = 4,059,455,853.66
  5. Step 5: Solve for x
    x = 4,059,455,853.66/105,591.57
  6. Step 6: Final answer
    x = 38,444.88

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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.