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Finding the Fourth Proportional to 88,170.93, 132,733.08 and 80,323.88

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Solution

The fourth proportional to 88,170.93, 132,733.08 and 80,323.88 is: 120,920.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,170.93 : 132,733.08 = 80,323.88 : x
  2. Step 2: Convert to fraction form
    88,170.93/132,733.08 = 80,323.88/x
  3. Step 3: Cross multiply
    88,170.93x = 132,733.08 × 80,323.88
  4. Step 4: Simplify right side
    88,170.93x = 10,661,635,326.29
  5. Step 5: Solve for x
    x = 10,661,635,326.29/88,170.93
  6. Step 6: Final answer
    x = 120,920.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.