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Finding the Fourth Proportional to 225,147.66, 337,837.91 and 98,876.66

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Solution

The fourth proportional to 225,147.66, 337,837.91 and 98,876.66 is: 148,366.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,147.66 : 337,837.91 = 98,876.66 : x
  2. Step 2: Convert to fraction form
    225,147.66/337,837.91 = 98,876.66/x
  3. Step 3: Cross multiply
    225,147.66x = 337,837.91 × 98,876.66
  4. Step 4: Simplify right side
    225,147.66x = 33,404,284,512.39
  5. Step 5: Solve for x
    x = 33,404,284,512.39/225,147.66
  6. Step 6: Final answer
    x = 148,366.12

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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.