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Finding the Fourth Proportional to 158,882.34, 238,323.30 and 40,553.70

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Solution

The fourth proportional to 158,882.34, 238,323.30 and 40,553.70 is: 60,830.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,882.34 : 238,323.30 = 40,553.70 : x
  2. Step 2: Convert to fraction form
    158,882.34/238,323.30 = 40,553.70/x
  3. Step 3: Cross multiply
    158,882.34x = 238,323.30 × 40,553.70
  4. Step 4: Simplify right side
    158,882.34x = 9,664,890,565.42
  5. Step 5: Solve for x
    x = 9,664,890,565.42/158,882.34
  6. Step 6: Final answer
    x = 60,830.49

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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.