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Finding the Fourth Proportional to 229,607.96, 316,862.80 and 126,246.52

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Solution

The fourth proportional to 229,607.96, 316,862.80 and 126,246.52 is: 174,222.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,607.96 : 316,862.80 = 126,246.52 : x
  2. Step 2: Convert to fraction form
    229,607.96/316,862.80 = 126,246.52/x
  3. Step 3: Cross multiply
    229,607.96x = 316,862.80 × 126,246.52
  4. Step 4: Simplify right side
    229,607.96x = 40,002,825,817.46
  5. Step 5: Solve for x
    x = 40,002,825,817.46/229,607.96
  6. Step 6: Final answer
    x = 174,222.30

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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.