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Finding the Fourth Proportional to 132,510.87, 182,863.22 and 72,080.24

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Solution

The fourth proportional to 132,510.87, 182,863.22 and 72,080.24 is: 99,469.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,510.87 : 182,863.22 = 72,080.24 : x
  2. Step 2: Convert to fraction form
    132,510.87/182,863.22 = 72,080.24/x
  3. Step 3: Cross multiply
    132,510.87x = 182,863.22 × 72,080.24
  4. Step 4: Simplify right side
    132,510.87x = 13,180,823,510.06
  5. Step 5: Solve for x
    x = 13,180,823,510.06/132,510.87
  6. Step 6: Final answer
    x = 99,469.75

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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.