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Finding the Fourth Proportional to 146,177.11, 201,724.01 and 79,109.11

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Solution

The fourth proportional to 146,177.11, 201,724.01 and 79,109.11 is: 109,170.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,177.11 : 201,724.01 = 79,109.11 : x
  2. Step 2: Convert to fraction form
    146,177.11/201,724.01 = 79,109.11/x
  3. Step 3: Cross multiply
    146,177.11x = 201,724.01 × 79,109.11
  4. Step 4: Simplify right side
    146,177.11x = 15,958,206,896.73
  5. Step 5: Solve for x
    x = 15,958,206,896.73/146,177.11
  6. Step 6: Final answer
    x = 109,170.35

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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.