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Finding the Fourth Proportional to 268,151.01, 402,226.27 and 68,471.43

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Solution

The fourth proportional to 268,151.01, 402,226.27 and 68,471.43 is: 102,707.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,151.01 : 402,226.27 = 68,471.43 : x
  2. Step 2: Convert to fraction form
    268,151.01/402,226.27 = 68,471.43/x
  3. Step 3: Cross multiply
    268,151.01x = 402,226.27 × 68,471.43
  4. Step 4: Simplify right side
    268,151.01x = 27,541,007,890.47
  5. Step 5: Solve for x
    x = 27,541,007,890.47/268,151.01
  6. Step 6: Final answer
    x = 102,707.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.