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Finding the Fourth Proportional to 132,048.57, 182,227.12 and 71,619.20

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Solution

The fourth proportional to 132,048.57, 182,227.12 and 71,619.20 is: 98,834.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,048.57 : 182,227.12 = 71,619.20 : x
  2. Step 2: Convert to fraction form
    132,048.57/182,227.12 = 71,619.20/x
  3. Step 3: Cross multiply
    132,048.57x = 182,227.12 × 71,619.20
  4. Step 4: Simplify right side
    132,048.57x = 13,050,960,145.87
  5. Step 5: Solve for x
    x = 13,050,960,145.87/132,048.57
  6. Step 6: Final answer
    x = 98,834.54

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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.