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Finding the Fourth Proportional to 265,990.28, 366,734.58 and 170,339.72

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Solution

The fourth proportional to 265,990.28, 366,734.58 and 170,339.72 is: 234,856.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,990.28 : 366,734.58 = 170,339.72 : x
  2. Step 2: Convert to fraction form
    265,990.28/366,734.58 = 170,339.72/x
  3. Step 3: Cross multiply
    265,990.28x = 366,734.58 × 170,339.72
  4. Step 4: Simplify right side
    265,990.28x = 62,469,465,671.52
  5. Step 5: Solve for x
    x = 62,469,465,671.52/265,990.28
  6. Step 6: Final answer
    x = 234,856.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.