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Finding the Fourth Proportional to 170,262.54, 234,963.88 and 93,781.91

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Solution

The fourth proportional to 170,262.54, 234,963.88 and 93,781.91 is: 129,419.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,262.54 : 234,963.88 = 93,781.91 : x
  2. Step 2: Convert to fraction form
    170,262.54/234,963.88 = 93,781.91/x
  3. Step 3: Cross multiply
    170,262.54x = 234,963.88 × 93,781.91
  4. Step 4: Simplify right side
    170,262.54x = 22,035,361,800.37
  5. Step 5: Solve for x
    x = 22,035,361,800.37/170,262.54
  6. Step 6: Final answer
    x = 129,419.91

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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.