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Finding the Fourth Proportional to 225,519.47, 338,034.69 and 112,928.26

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Solution

The fourth proportional to 225,519.47, 338,034.69 and 112,928.26 is: 169,269.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,519.47 : 338,034.69 = 112,928.26 : x
  2. Step 2: Convert to fraction form
    225,519.47/338,034.69 = 112,928.26/x
  3. Step 3: Cross multiply
    225,519.47x = 338,034.69 × 112,928.26
  4. Step 4: Simplify right side
    225,519.47x = 38,173,669,361.34
  5. Step 5: Solve for x
    x = 38,173,669,361.34/225,519.47
  6. Step 6: Final answer
    x = 169,269.95

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1.5x scale

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.