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Finding the Fourth Proportional to 261,531.59, 361,023.28 and 176,763.47

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Solution

The fourth proportional to 261,531.59, 361,023.28 and 176,763.47 is: 244,007.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,531.59 : 361,023.28 = 176,763.47 : x
  2. Step 2: Convert to fraction form
    261,531.59/361,023.28 = 176,763.47/x
  3. Step 3: Cross multiply
    261,531.59x = 361,023.28 × 176,763.47
  4. Step 4: Simplify right side
    261,531.59x = 63,815,725,476.56
  5. Step 5: Solve for x
    x = 63,815,725,476.56/261,531.59
  6. Step 6: Final answer
    x = 244,007.72

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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.