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Finding the Fourth Proportional to 223,053.68, 307,773.96 and 126,256.88

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Solution

The fourth proportional to 223,053.68, 307,773.96 and 126,256.88 is: 174,211.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,053.68 : 307,773.96 = 126,256.88 : x
  2. Step 2: Convert to fraction form
    223,053.68/307,773.96 = 126,256.88/x
  3. Step 3: Cross multiply
    223,053.68x = 307,773.96 × 126,256.88
  4. Step 4: Simplify right side
    223,053.68x = 38,858,579,934.84
  5. Step 5: Solve for x
    x = 38,858,579,934.84/223,053.68
  6. Step 6: Final answer
    x = 174,211.79

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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.