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Finding the Fourth Proportional to 168,165, 232,068.18 and 91,684.92

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Solution

The fourth proportional to 168,165, 232,068.18 and 91,684.92 is: 126,525.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,165 : 232,068.18 = 91,684.92 : x
  2. Step 2: Convert to fraction form
    168,165/232,068.18 = 91,684.92/x
  3. Step 3: Cross multiply
    168,165x = 232,068.18 × 91,684.92
  4. Step 4: Simplify right side
    168,165x = 21,277,152,517.85
  5. Step 5: Solve for x
    x = 21,277,152,517.85/168,165
  6. Step 6: Final answer
    x = 126,525.45

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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.