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Finding the Fourth Proportional to 168,638.53, 232,724.51 and 92,162.36

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Solution

The fourth proportional to 168,638.53, 232,724.51 and 92,162.36 is: 127,185.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,638.53 : 232,724.51 = 92,162.36 : x
  2. Step 2: Convert to fraction form
    168,638.53/232,724.51 = 92,162.36/x
  3. Step 3: Cross multiply
    168,638.53x = 232,724.51 × 92,162.36
  4. Step 4: Simplify right side
    168,638.53x = 21,448,440,071.44
  5. Step 5: Solve for x
    x = 21,448,440,071.44/168,638.53
  6. Step 6: Final answer
    x = 127,185.88

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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.