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Finding the Fourth Proportional to 165,722.83, 228,691.04 and 101,299.92

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Solution

The fourth proportional to 165,722.83, 228,691.04 and 101,299.92 is: 139,789.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,722.83 : 228,691.04 = 101,299.92 : x
  2. Step 2: Convert to fraction form
    165,722.83/228,691.04 = 101,299.92/x
  3. Step 3: Cross multiply
    165,722.83x = 228,691.04 × 101,299.92
  4. Step 4: Simplify right side
    165,722.83x = 23,166,385,167.56
  5. Step 5: Solve for x
    x = 23,166,385,167.56/165,722.83
  6. Step 6: Final answer
    x = 139,789.95

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1.5x scale

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.