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Finding the Fourth Proportional to 225,338.76, 310,983.30 and 124,743.24

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Solution

The fourth proportional to 225,338.76, 310,983.30 and 124,743.24 is: 172,154.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,338.76 : 310,983.30 = 124,743.24 : x
  2. Step 2: Convert to fraction form
    225,338.76/310,983.30 = 124,743.24/x
  3. Step 3: Cross multiply
    225,338.76x = 310,983.30 × 124,743.24
  4. Step 4: Simplify right side
    225,338.76x = 38,793,064,427.89
  5. Step 5: Solve for x
    x = 38,793,064,427.89/225,338.76
  6. Step 6: Final answer
    x = 172,154.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.