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Finding the Fourth Proportional to 132,251.48, 182,506.48 and 71,821.70

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Solution

The fourth proportional to 132,251.48, 182,506.48 and 71,821.70 is: 99,113.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,251.48 : 182,506.48 = 71,821.70 : x
  2. Step 2: Convert to fraction form
    132,251.48/182,506.48 = 71,821.70/x
  3. Step 3: Cross multiply
    132,251.48x = 182,506.48 × 71,821.70
  4. Step 4: Simplify right side
    132,251.48x = 13,107,925,654.62
  5. Step 5: Solve for x
    x = 13,107,925,654.62/132,251.48
  6. Step 6: Final answer
    x = 99,113.64

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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.