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Finding the Fourth Proportional to 225,638.96, 338,402.94 and 92,557.16

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Solution

The fourth proportional to 225,638.96, 338,402.94 and 92,557.16 is: 138,812.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,638.96 : 338,402.94 = 92,557.16 : x
  2. Step 2: Convert to fraction form
    225,638.96/338,402.94 = 92,557.16/x
  3. Step 3: Cross multiply
    225,638.96x = 338,402.94 × 92,557.16
  4. Step 4: Simplify right side
    225,638.96x = 31,321,615,062.05
  5. Step 5: Solve for x
    x = 31,321,615,062.05/225,638.96
  6. Step 6: Final answer
    x = 138,812.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.