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Finding the Fourth Proportional to 88,657.40, 132,986.10 and 29,502.20

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Solution

The fourth proportional to 88,657.40, 132,986.10 and 29,502.20 is: 44,253.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,657.40 : 132,986.10 = 29,502.20 : x
  2. Step 2: Convert to fraction form
    88,657.40/132,986.10 = 29,502.20/x
  3. Step 3: Cross multiply
    88,657.40x = 132,986.10 × 29,502.20
  4. Step 4: Simplify right side
    88,657.40x = 3,923,382,519.42
  5. Step 5: Solve for x
    x = 3,923,382,519.42/88,657.40
  6. Step 6: Final answer
    x = 44,253.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.