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Finding the Fourth Proportional to 59,042.65, 88,531.47 and 40,343.80

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Solution

The fourth proportional to 59,042.65, 88,531.47 and 40,343.80 is: 60,493.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,042.65 : 88,531.47 = 40,343.80 : x
  2. Step 2: Convert to fraction form
    59,042.65/88,531.47 = 40,343.80/x
  3. Step 3: Cross multiply
    59,042.65x = 88,531.47 × 40,343.80
  4. Step 4: Simplify right side
    59,042.65x = 3,571,695,919.39
  5. Step 5: Solve for x
    x = 3,571,695,919.39/59,042.65
  6. Step 6: Final answer
    x = 60,493.49

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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.