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Finding the Fourth Proportional to 222,291.92, 306,734.28 and 126,792.92

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Solution

The fourth proportional to 222,291.92, 306,734.28 and 126,792.92 is: 174,957.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,291.92 : 306,734.28 = 126,792.92 : x
  2. Step 2: Convert to fraction form
    222,291.92/306,734.28 = 126,792.92/x
  3. Step 3: Cross multiply
    222,291.92x = 306,734.28 × 126,792.92
  4. Step 4: Simplify right side
    222,291.92x = 38,891,735,316.66
  5. Step 5: Solve for x
    x = 38,891,735,316.66/222,291.92
  6. Step 6: Final answer
    x = 174,957.93

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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.