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Finding the Fourth Proportional to 159,171.92, 238,707.12 and 52,536.08

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Solution

The fourth proportional to 159,171.92, 238,707.12 and 52,536.08 is: 78,787.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,171.92 : 238,707.12 = 52,536.08 : x
  2. Step 2: Convert to fraction form
    159,171.92/238,707.12 = 52,536.08/x
  3. Step 3: Cross multiply
    159,171.92x = 238,707.12 × 52,536.08
  4. Step 4: Simplify right side
    159,171.92x = 12,540,735,159.35
  5. Step 5: Solve for x
    x = 12,540,735,159.35/159,171.92
  6. Step 6: Final answer
    x = 78,787.36

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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.