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Finding the Fourth Proportional to 225,708.89, 338,581.76 and 92,590.29

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Solution

The fourth proportional to 225,708.89, 338,581.76 and 92,590.29 is: 138,892.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,708.89 : 338,581.76 = 92,590.29 : x
  2. Step 2: Convert to fraction form
    225,708.89/338,581.76 = 92,590.29/x
  3. Step 3: Cross multiply
    225,708.89x = 338,581.76 × 92,590.29
  4. Step 4: Simplify right side
    225,708.89x = 31,349,382,884.16
  5. Step 5: Solve for x
    x = 31,349,382,884.16/225,708.89
  6. Step 6: Final answer
    x = 138,892.99

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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.