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Finding the Fourth Proportional to 159,752.70, 239,629.05 and 158,715.90

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Solution

The fourth proportional to 159,752.70, 239,629.05 and 158,715.90 is: 238,073.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,752.70 : 239,629.05 = 158,715.90 : x
  2. Step 2: Convert to fraction form
    159,752.70/239,629.05 = 158,715.90/x
  3. Step 3: Cross multiply
    159,752.70x = 239,629.05 × 158,715.90
  4. Step 4: Simplify right side
    159,752.70x = 38,032,940,336.90
  5. Step 5: Solve for x
    x = 38,032,940,336.90/159,752.70
  6. Step 6: Final answer
    x = 238,073.85

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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.