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Finding the Fourth Proportional to 165,651.68, 228,593.07 and 101,228.64

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Solution

The fourth proportional to 165,651.68, 228,593.07 and 101,228.64 is: 139,691.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,651.68 : 228,593.07 = 101,228.64 : x
  2. Step 2: Convert to fraction form
    165,651.68/228,593.07 = 101,228.64/x
  3. Step 3: Cross multiply
    165,651.68x = 228,593.07 × 101,228.64
  4. Step 4: Simplify right side
    165,651.68x = 23,140,165,589.52
  5. Step 5: Solve for x
    x = 23,140,165,589.52/165,651.68
  6. Step 6: Final answer
    x = 139,691.70

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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.