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Finding the Fourth Proportional to 105,592.57, 158,387.17 and 25,631.20

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Solution

The fourth proportional to 105,592.57, 158,387.17 and 25,631.20 is: 38,446.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,592.57 : 158,387.17 = 25,631.20 : x
  2. Step 2: Convert to fraction form
    105,592.57/158,387.17 = 25,631.20/x
  3. Step 3: Cross multiply
    105,592.57x = 158,387.17 × 25,631.20
  4. Step 4: Simplify right side
    105,592.57x = 4,059,653,231.70
  5. Step 5: Solve for x
    x = 4,059,653,231.70/105,592.57
  6. Step 6: Final answer
    x = 38,446.39

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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.