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Finding the Fourth Proportional to 226,564.69, 312,667.29 and 124,597.90

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Solution

The fourth proportional to 226,564.69, 312,667.29 and 124,597.90 is: 171,949.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,564.69 : 312,667.29 = 124,597.90 : x
  2. Step 2: Convert to fraction form
    226,564.69/312,667.29 = 124,597.90/x
  3. Step 3: Cross multiply
    226,564.69x = 312,667.29 × 124,597.90
  4. Step 4: Simplify right side
    226,564.69x = 38,957,687,732.69
  5. Step 5: Solve for x
    x = 38,957,687,732.69/226,564.69
  6. Step 6: Final answer
    x = 171,949.51

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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.