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Finding the Fourth Proportional to 159,358.59, 238,982.18 and 47,008.98

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Solution

The fourth proportional to 159,358.59, 238,982.18 and 47,008.98 is: 70,497.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,358.59 : 238,982.18 = 47,008.98 : x
  2. Step 2: Convert to fraction form
    159,358.59/238,982.18 = 47,008.98/x
  3. Step 3: Cross multiply
    159,358.59x = 238,982.18 × 47,008.98
  4. Step 4: Simplify right side
    159,358.59x = 11,234,308,284.93
  5. Step 5: Solve for x
    x = 11,234,308,284.93/159,358.59
  6. Step 6: Final answer
    x = 70,497.04

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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.