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Finding the Fourth Proportional to 168,385.53, 232,366.22 and 100,367.44

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Solution

The fourth proportional to 168,385.53, 232,366.22 and 100,367.44 is: 138,503.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,385.53 : 232,366.22 = 100,367.44 : x
  2. Step 2: Convert to fraction form
    168,385.53/232,366.22 = 100,367.44/x
  3. Step 3: Cross multiply
    168,385.53x = 232,366.22 × 100,367.44
  4. Step 4: Simplify right side
    168,385.53x = 23,322,001,937.50
  5. Step 5: Solve for x
    x = 23,322,001,937.50/168,385.53
  6. Step 6: Final answer
    x = 138,503.60

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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.