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Finding the Fourth Proportional to 225,974, 311,843.88 and 124,000.04

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Solution

The fourth proportional to 225,974, 311,843.88 and 124,000.04 is: 171,119.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,974 : 311,843.88 = 124,000.04 : x
  2. Step 2: Convert to fraction form
    225,974/311,843.88 = 124,000.04/x
  3. Step 3: Cross multiply
    225,974x = 311,843.88 × 124,000.04
  4. Step 4: Simplify right side
    225,974x = 38,668,653,593.76
  5. Step 5: Solve for x
    x = 38,668,653,593.76/225,974
  6. Step 6: Final answer
    x = 171,119.92

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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.