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Finding the Fourth Proportional to 217,010.52, 325,726.20 and 104,769.90

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Solution

The fourth proportional to 217,010.52, 325,726.20 and 104,769.90 is: 157,256.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,010.52 : 325,726.20 = 104,769.90 : x
  2. Step 2: Convert to fraction form
    217,010.52/325,726.20 = 104,769.90/x
  3. Step 3: Cross multiply
    217,010.52x = 325,726.20 × 104,769.90
  4. Step 4: Simplify right side
    217,010.52x = 34,126,301,401.38
  5. Step 5: Solve for x
    x = 34,126,301,401.38/217,010.52
  6. Step 6: Final answer
    x = 157,256.44

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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.