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Finding the Fourth Proportional to 225,518.97, 338,033.94 and 112,927.76

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Solution

The fourth proportional to 225,518.97, 338,033.94 and 112,927.76 is: 169,269.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,518.97 : 338,033.94 = 112,927.76 : x
  2. Step 2: Convert to fraction form
    225,518.97/338,033.94 = 112,927.76/x
  3. Step 3: Cross multiply
    225,518.97x = 338,033.94 × 112,927.76
  4. Step 4: Simplify right side
    225,518.97x = 38,173,415,648.17
  5. Step 5: Solve for x
    x = 38,173,415,648.17/225,518.97
  6. Step 6: Final answer
    x = 169,269.20

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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.