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Finding the Fourth Proportional to 165,763.26, 228,747.15 and 101,340.39

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Solution

The fourth proportional to 165,763.26, 228,747.15 and 101,340.39 is: 139,845.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,763.26 : 228,747.15 = 101,340.39 : x
  2. Step 2: Convert to fraction form
    165,763.26/228,747.15 = 101,340.39/x
  3. Step 3: Cross multiply
    165,763.26x = 228,747.15 × 101,340.39
  4. Step 4: Simplify right side
    165,763.26x = 23,181,325,392.39
  5. Step 5: Solve for x
    x = 23,181,325,392.39/165,763.26
  6. Step 6: Final answer
    x = 139,845.98

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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.