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Finding the Fourth Proportional to 225,305.88, 310,926.97 and 124,703.88

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Solution

The fourth proportional to 225,305.88, 310,926.97 and 124,703.88 is: 172,094.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,305.88 : 310,926.97 = 124,703.88 : x
  2. Step 2: Convert to fraction form
    225,305.88/310,926.97 = 124,703.88/x
  3. Step 3: Cross multiply
    225,305.88x = 310,926.97 × 124,703.88
  4. Step 4: Simplify right side
    225,305.88x = 38,773,799,555.64
  5. Step 5: Solve for x
    x = 38,773,799,555.64/225,305.88
  6. Step 6: Final answer
    x = 172,094.04

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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.