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Finding the Fourth Proportional to 158,138.52, 237,348.11 and 73,944.48

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Solution

The fourth proportional to 158,138.52, 237,348.11 and 73,944.48 is: 110,982.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,138.52 : 237,348.11 = 73,944.48 : x
  2. Step 2: Convert to fraction form
    158,138.52/237,348.11 = 73,944.48/x
  3. Step 3: Cross multiply
    158,138.52x = 237,348.11 × 73,944.48
  4. Step 4: Simplify right side
    158,138.52x = 17,550,582,572.93
  5. Step 5: Solve for x
    x = 17,550,582,572.93/158,138.52
  6. Step 6: Final answer
    x = 110,982.34

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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.