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Finding the Fourth Proportional to 168,728.64, 232,841.44 and 92,248.20

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Solution

The fourth proportional to 168,728.64, 232,841.44 and 92,248.20 is: 127,300.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,728.64 : 232,841.44 = 92,248.20 : x
  2. Step 2: Convert to fraction form
    168,728.64/232,841.44 = 92,248.20/x
  3. Step 3: Cross multiply
    168,728.64x = 232,841.44 × 92,248.20
  4. Step 4: Simplify right side
    168,728.64x = 21,479,203,725.41
  5. Step 5: Solve for x
    x = 21,479,203,725.41/168,728.64
  6. Step 6: Final answer
    x = 127,300.28

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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.