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Finding the Fourth Proportional to 265,696.52, 398,458.42 and 88,155.86

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Solution

The fourth proportional to 265,696.52, 398,458.42 and 88,155.86 is: 132,205.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,696.52 : 398,458.42 = 88,155.86 : x
  2. Step 2: Convert to fraction form
    265,696.52/398,458.42 = 88,155.86/x
  3. Step 3: Cross multiply
    265,696.52x = 398,458.42 × 88,155.86
  4. Step 4: Simplify right side
    265,696.52x = 35,126,442,697.05
  5. Step 5: Solve for x
    x = 35,126,442,697.05/265,696.52
  6. Step 6: Final answer
    x = 132,205.13

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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.