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Finding the Fourth Proportional to 100,540.40, 150,925.80 and 59,010.80

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Solution

The fourth proportional to 100,540.40, 150,925.80 and 59,010.80 is: 88,583.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,540.40 : 150,925.80 = 59,010.80 : x
  2. Step 2: Convert to fraction form
    100,540.40/150,925.80 = 59,010.80/x
  3. Step 3: Cross multiply
    100,540.40x = 150,925.80 × 59,010.80
  4. Step 4: Simplify right side
    100,540.40x = 8,906,252,198.64
  5. Step 5: Solve for x
    x = 8,906,252,198.64/100,540.40
  6. Step 6: Final answer
    x = 88,583.82

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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.