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Finding the Fourth Proportional to 226,790.59, 312,959.33 and 124,825.73

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Solution

The fourth proportional to 226,790.59, 312,959.33 and 124,825.73 is: 172,253.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,790.59 : 312,959.33 = 124,825.73 : x
  2. Step 2: Convert to fraction form
    226,790.59/312,959.33 = 124,825.73/x
  3. Step 3: Cross multiply
    226,790.59x = 312,959.33 × 124,825.73
  4. Step 4: Simplify right side
    226,790.59x = 39,065,375,262.76
  5. Step 5: Solve for x
    x = 39,065,375,262.76/226,790.59
  6. Step 6: Final answer
    x = 172,253.07

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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.