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Finding the Fourth Proportional to 225,149.76, 337,841.28 and 163,330.56

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Solution

The fourth proportional to 225,149.76, 337,841.28 and 163,330.56 is: 245,080.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,149.76 : 337,841.28 = 163,330.56 : x
  2. Step 2: Convert to fraction form
    225,149.76/337,841.28 = 163,330.56/x
  3. Step 3: Cross multiply
    225,149.76x = 337,841.28 × 163,330.56
  4. Step 4: Simplify right side
    225,149.76x = 55,179,805,453.52
  5. Step 5: Solve for x
    x = 55,179,805,453.52/225,149.76
  6. Step 6: Final answer
    x = 245,080.45

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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.