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Finding the Fourth Proportional to 168,689.60, 232,787.30 and 92,208.88

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Solution

The fourth proportional to 168,689.60, 232,787.30 and 92,208.88 is: 127,245.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,689.60 : 232,787.30 = 92,208.88 : x
  2. Step 2: Convert to fraction form
    168,689.60/232,787.30 = 92,208.88/x
  3. Step 3: Cross multiply
    168,689.60x = 232,787.30 × 92,208.88
  4. Step 4: Simplify right side
    168,689.60x = 21,465,055,168.21
  5. Step 5: Solve for x
    x = 21,465,055,168.21/168,689.60
  6. Step 6: Final answer
    x = 127,245.88

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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.