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Finding the Fourth Proportional to 165,761.25, 228,744.39 and 101,338.39

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Solution

The fourth proportional to 165,761.25, 228,744.39 and 101,338.39 is: 139,843.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,761.25 : 228,744.39 = 101,338.39 : x
  2. Step 2: Convert to fraction form
    165,761.25/228,744.39 = 101,338.39/x
  3. Step 3: Cross multiply
    165,761.25x = 228,744.39 × 101,338.39
  4. Step 4: Simplify right side
    165,761.25x = 23,180,588,204.13
  5. Step 5: Solve for x
    x = 23,180,588,204.13/165,761.25
  6. Step 6: Final answer
    x = 139,843.23

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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.