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Finding the Fourth Proportional to 238,458.92, 329,073.21 and 131,035.88

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Solution

The fourth proportional to 238,458.92, 329,073.21 and 131,035.88 is: 180,829.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,458.92 : 329,073.21 = 131,035.88 : x
  2. Step 2: Convert to fraction form
    238,458.92/329,073.21 = 131,035.88/x
  3. Step 3: Cross multiply
    238,458.92x = 329,073.21 × 131,035.88
  4. Step 4: Simplify right side
    238,458.92x = 43,120,396,011.41
  5. Step 5: Solve for x
    x = 43,120,396,011.41/238,458.92
  6. Step 6: Final answer
    x = 180,829.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.