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Finding the Fourth Proportional to 238,880.92, 329,657.22 and 131,447.92

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Solution

The fourth proportional to 238,880.92, 329,657.22 and 131,447.92 is: 181,398.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,880.92 : 329,657.22 = 131,447.92 : x
  2. Step 2: Convert to fraction form
    238,880.92/329,657.22 = 131,447.92/x
  3. Step 3: Cross multiply
    238,880.92x = 329,657.22 × 131,447.92
  4. Step 4: Simplify right side
    238,880.92x = 43,332,755,881.98
  5. Step 5: Solve for x
    x = 43,332,755,881.98/238,880.92
  6. Step 6: Final answer
    x = 181,398.98

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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.