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Finding the Fourth Proportional to 225,098.48, 337,313.64 and 91,815.68

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Solution

The fourth proportional to 225,098.48, 337,313.64 and 91,815.68 is: 137,587.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,098.48 : 337,313.64 = 91,815.68 : x
  2. Step 2: Convert to fraction form
    225,098.48/337,313.64 = 91,815.68/x
  3. Step 3: Cross multiply
    225,098.48x = 337,313.64 × 91,815.68
  4. Step 4: Simplify right side
    225,098.48x = 30,970,681,229.88
  5. Step 5: Solve for x
    x = 30,970,681,229.88/225,098.48
  6. Step 6: Final answer
    x = 137,587.25

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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.