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Finding the Fourth Proportional to 165,170.60, 228,030 and 108,746

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Solution

The fourth proportional to 165,170.60, 228,030 and 108,746 is: 150,131.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,170.60 : 228,030 = 108,746 : x
  2. Step 2: Convert to fraction form
    165,170.60/228,030 = 108,746/x
  3. Step 3: Cross multiply
    165,170.60x = 228,030 × 108,746
  4. Step 4: Simplify right side
    165,170.60x = 24,797,350,380
  5. Step 5: Solve for x
    x = 24,797,350,380/165,170.60
  6. Step 6: Final answer
    x = 150,131.74

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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.