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Finding the Fourth Proportional to 90,162.54, 135,265.95 and 63,560.52

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Solution

The fourth proportional to 90,162.54, 135,265.95 and 63,560.52 is: 95,356.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,162.54 : 135,265.95 = 63,560.52 : x
  2. Step 2: Convert to fraction form
    90,162.54/135,265.95 = 63,560.52/x
  3. Step 3: Cross multiply
    90,162.54x = 135,265.95 × 63,560.52
  4. Step 4: Simplify right side
    90,162.54x = 8,597,574,120.29
  5. Step 5: Solve for x
    x = 8,597,574,120.29/90,162.54
  6. Step 6: Final answer
    x = 95,356.39

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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.