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Finding the Fourth Proportional to 229,603.96, 316,857.26 and 126,242.52

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Solution

The fourth proportional to 229,603.96, 316,857.26 and 126,242.52 is: 174,216.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,603.96 : 316,857.26 = 126,242.52 : x
  2. Step 2: Convert to fraction form
    229,603.96/316,857.26 = 126,242.52/x
  3. Step 3: Cross multiply
    229,603.96x = 316,857.26 × 126,242.52
  4. Step 4: Simplify right side
    229,603.96x = 40,000,858,982.70
  5. Step 5: Solve for x
    x = 40,000,858,982.70/229,603.96
  6. Step 6: Final answer
    x = 174,216.76

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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.