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Finding the Fourth Proportional to 226,608.73, 312,727.68 and 124,642.07

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Solution

The fourth proportional to 226,608.73, 312,727.68 and 124,642.07 is: 172,010.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,608.73 : 312,727.68 = 124,642.07 : x
  2. Step 2: Convert to fraction form
    226,608.73/312,727.68 = 124,642.07/x
  3. Step 3: Cross multiply
    226,608.73x = 312,727.68 × 124,642.07
  4. Step 4: Simplify right side
    226,608.73x = 38,979,025,381.50
  5. Step 5: Solve for x
    x = 38,979,025,381.50/226,608.73
  6. Step 6: Final answer
    x = 172,010.26

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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.