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Finding the Fourth Proportional to 235,753.91, 353,631.15 and 58,258.20

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Solution

The fourth proportional to 235,753.91, 353,631.15 and 58,258.20 is: 87,387.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,753.91 : 353,631.15 = 58,258.20 : x
  2. Step 2: Convert to fraction form
    235,753.91/353,631.15 = 58,258.20/x
  3. Step 3: Cross multiply
    235,753.91x = 353,631.15 × 58,258.20
  4. Step 4: Simplify right side
    235,753.91x = 20,601,914,262.93
  5. Step 5: Solve for x
    x = 20,601,914,262.93/235,753.91
  6. Step 6: Final answer
    x = 87,387.37

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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.