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Finding the Fourth Proportional to 132,049.70, 182,228.67 and 71,620.32

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Solution

The fourth proportional to 132,049.70, 182,228.67 and 71,620.32 is: 98,836.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,049.70 : 182,228.67 = 71,620.32 : x
  2. Step 2: Convert to fraction form
    132,049.70/182,228.67 = 71,620.32/x
  3. Step 3: Cross multiply
    132,049.70x = 182,228.67 × 71,620.32
  4. Step 4: Simplify right side
    132,049.70x = 13,051,276,341.93
  5. Step 5: Solve for x
    x = 13,051,276,341.93/132,049.70
  6. Step 6: Final answer
    x = 98,836.09

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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.