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Finding the Fourth Proportional to 165,561.69, 228,519.06 and 101,952.79

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Solution

The fourth proportional to 165,561.69, 228,519.06 and 101,952.79 is: 140,721.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,561.69 : 228,519.06 = 101,952.79 : x
  2. Step 2: Convert to fraction form
    165,561.69/228,519.06 = 101,952.79/x
  3. Step 3: Cross multiply
    165,561.69x = 228,519.06 × 101,952.79
  4. Step 4: Simplify right side
    165,561.69x = 23,298,155,735.18
  5. Step 5: Solve for x
    x = 23,298,155,735.18/165,561.69
  6. Step 6: Final answer
    x = 140,721.90

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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.