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Finding the Fourth Proportional to 159,668.08, 239,595.48 and 88,650.56

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Solution

The fourth proportional to 159,668.08, 239,595.48 and 88,650.56 is: 133,027.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,668.08 : 239,595.48 = 88,650.56 : x
  2. Step 2: Convert to fraction form
    159,668.08/239,595.48 = 88,650.56/x
  3. Step 3: Cross multiply
    159,668.08x = 239,595.48 × 88,650.56
  4. Step 4: Simplify right side
    159,668.08x = 21,240,273,475.47
  5. Step 5: Solve for x
    x = 21,240,273,475.47/159,668.08
  6. Step 6: Final answer
    x = 133,027.68

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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.