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Finding the Fourth Proportional to 268,538.75, 402,722.13 and 88,583.90

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Solution

The fourth proportional to 268,538.75, 402,722.13 and 88,583.90 is: 132,847.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,538.75 : 402,722.13 = 88,583.90 : x
  2. Step 2: Convert to fraction form
    268,538.75/402,722.13 = 88,583.90/x
  3. Step 3: Cross multiply
    268,538.75x = 402,722.13 × 88,583.90
  4. Step 4: Simplify right side
    268,538.75x = 35,674,696,891.71
  5. Step 5: Solve for x
    x = 35,674,696,891.71/268,538.75
  6. Step 6: Final answer
    x = 132,847.48

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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.