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Finding the Fourth Proportional to 158,412.17, 237,027.73 and 156,640.70

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Solution

The fourth proportional to 158,412.17, 237,027.73 and 156,640.70 is: 234,377.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,412.17 : 237,027.73 = 156,640.70 : x
  2. Step 2: Convert to fraction form
    158,412.17/237,027.73 = 156,640.70/x
  3. Step 3: Cross multiply
    158,412.17x = 237,027.73 × 156,640.70
  4. Step 4: Simplify right side
    158,412.17x = 37,128,189,546.61
  5. Step 5: Solve for x
    x = 37,128,189,546.61/158,412.17
  6. Step 6: Final answer
    x = 234,377.13

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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.