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Finding the Fourth Proportional to 168,063.80, 231,926.90 and 92,612.30

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Solution

The fourth proportional to 168,063.80, 231,926.90 and 92,612.30 is: 127,804.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,063.80 : 231,926.90 = 92,612.30 : x
  2. Step 2: Convert to fraction form
    168,063.80/231,926.90 = 92,612.30/x
  3. Step 3: Cross multiply
    168,063.80x = 231,926.90 × 92,612.30
  4. Step 4: Simplify right side
    168,063.80x = 21,479,282,018.17
  5. Step 5: Solve for x
    x = 21,479,282,018.17/168,063.80
  6. Step 6: Final answer
    x = 127,804.34

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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.