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Finding the Fourth Proportional to 158,251.20, 237,031.20 and 122,913.60

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Solution

The fourth proportional to 158,251.20, 237,031.20 and 122,913.60 is: 184,101.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,251.20 : 237,031.20 = 122,913.60 : x
  2. Step 2: Convert to fraction form
    158,251.20/237,031.20 = 122,913.60/x
  3. Step 3: Cross multiply
    158,251.20x = 237,031.20 × 122,913.60
  4. Step 4: Simplify right side
    158,251.20x = 29,134,358,104.32
  5. Step 5: Solve for x
    x = 29,134,358,104.32/158,251.20
  6. Step 6: Final answer
    x = 184,101.97

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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.