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Finding the Fourth Proportional to 217,026.52, 325,750.20 and 104,785.92

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Solution

The fourth proportional to 217,026.52, 325,750.20 and 104,785.92 is: 157,280.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,026.52 : 325,750.20 = 104,785.92 : x
  2. Step 2: Convert to fraction form
    217,026.52/325,750.20 = 104,785.92/x
  3. Step 3: Cross multiply
    217,026.52x = 325,750.20 × 104,785.92
  4. Step 4: Simplify right side
    217,026.52x = 34,134,034,397.18
  5. Step 5: Solve for x
    x = 34,134,034,397.18/217,026.52
  6. Step 6: Final answer
    x = 157,280.48

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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.