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Finding the Fourth Proportional to 159,518.43, 239,051.88 and 88,472.34

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Solution

The fourth proportional to 159,518.43, 239,051.88 and 88,472.34 is: 132,583.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,518.43 : 239,051.88 = 88,472.34 : x
  2. Step 2: Convert to fraction form
    159,518.43/239,051.88 = 88,472.34/x
  3. Step 3: Cross multiply
    159,518.43x = 239,051.88 × 88,472.34
  4. Step 4: Simplify right side
    159,518.43x = 21,149,479,205.00
  5. Step 5: Solve for x
    x = 21,149,479,205.00/159,518.43
  6. Step 6: Final answer
    x = 132,583.30

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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.