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Finding the Fourth Proportional to 224,655.48, 336,976.72 and 91,502.80

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Solution

The fourth proportional to 224,655.48, 336,976.72 and 91,502.80 is: 137,251.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,655.48 : 336,976.72 = 91,502.80 : x
  2. Step 2: Convert to fraction form
    224,655.48/336,976.72 = 91,502.80/x
  3. Step 3: Cross multiply
    224,655.48x = 336,976.72 × 91,502.80
  4. Step 4: Simplify right side
    224,655.48x = 30,834,313,414.82
  5. Step 5: Solve for x
    x = 30,834,313,414.82/224,655.48
  6. Step 6: Final answer
    x = 137,251.55

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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.