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Finding the Fourth Proportional to 88,642.79, 132,988.80 and 49,227.59

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Solution

The fourth proportional to 88,642.79, 132,988.80 and 49,227.59 is: 73,855.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,642.79 : 132,988.80 = 49,227.59 : x
  2. Step 2: Convert to fraction form
    88,642.79/132,988.80 = 49,227.59/x
  3. Step 3: Cross multiply
    88,642.79x = 132,988.80 × 49,227.59
  4. Step 4: Simplify right side
    88,642.79x = 6,546,717,209.91
  5. Step 5: Solve for x
    x = 6,546,717,209.91/88,642.79
  6. Step 6: Final answer
    x = 73,855.04

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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.