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Finding the Fourth Proportional to 150,549.84, 207,747.48 and 82,555.92

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Solution

The fourth proportional to 150,549.84, 207,747.48 and 82,555.92 is: 113,920.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,549.84 : 207,747.48 = 82,555.92 : x
  2. Step 2: Convert to fraction form
    150,549.84/207,747.48 = 82,555.92/x
  3. Step 3: Cross multiply
    150,549.84x = 207,747.48 × 82,555.92
  4. Step 4: Simplify right side
    150,549.84x = 17,150,784,339.08
  5. Step 5: Solve for x
    x = 17,150,784,339.08/150,549.84
  6. Step 6: Final answer
    x = 113,920.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.