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Finding the Fourth Proportional to 175,080.78, 262,867.86 and 89,753.76

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Solution

The fourth proportional to 175,080.78, 262,867.86 and 89,753.76 is: 134,757.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,080.78 : 262,867.86 = 89,753.76 : x
  2. Step 2: Convert to fraction form
    175,080.78/262,867.86 = 89,753.76/x
  3. Step 3: Cross multiply
    175,080.78x = 262,867.86 × 89,753.76
  4. Step 4: Simplify right side
    175,080.78x = 23,593,378,818.15
  5. Step 5: Solve for x
    x = 23,593,378,818.15/175,080.78
  6. Step 6: Final answer
    x = 134,757.10

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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.