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Finding the Fourth Proportional to 177,959.92, 245,634.29 and 101,521.54

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Solution

The fourth proportional to 177,959.92, 245,634.29 and 101,521.54 is: 140,128.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,959.92 : 245,634.29 = 101,521.54 : x
  2. Step 2: Convert to fraction form
    177,959.92/245,634.29 = 101,521.54/x
  3. Step 3: Cross multiply
    177,959.92x = 245,634.29 × 101,521.54
  4. Step 4: Simplify right side
    177,959.92x = 24,937,171,397.61
  5. Step 5: Solve for x
    x = 24,937,171,397.61/177,959.92
  6. Step 6: Final answer
    x = 140,128.02

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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.