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Finding the Fourth Proportional to 226,632.96, 312,756.48 and 126,034.56

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Solution

The fourth proportional to 226,632.96, 312,756.48 and 126,034.56 is: 173,929.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,632.96 : 312,756.48 = 126,034.56 : x
  2. Step 2: Convert to fraction form
    226,632.96/312,756.48 = 126,034.56/x
  3. Step 3: Cross multiply
    226,632.96x = 312,756.48 × 126,034.56
  4. Step 4: Simplify right side
    226,632.96x = 39,418,125,343.95
  5. Step 5: Solve for x
    x = 39,418,125,343.95/226,632.96
  6. Step 6: Final answer
    x = 173,929.36

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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.