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Finding the Fourth Proportional to 229,608.33, 316,863.28 and 126,246.90

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Solution

The fourth proportional to 229,608.33, 316,863.28 and 126,246.90 is: 174,222.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,608.33 : 316,863.28 = 126,246.90 : x
  2. Step 2: Convert to fraction form
    229,608.33/316,863.28 = 126,246.90/x
  3. Step 3: Cross multiply
    229,608.33x = 316,863.28 × 126,246.90
  4. Step 4: Simplify right side
    229,608.33x = 40,003,006,823.83
  5. Step 5: Solve for x
    x = 40,003,006,823.83/229,608.33
  6. Step 6: Final answer
    x = 174,222.80

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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.