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Finding the Fourth Proportional to 117,614.80, 176,227.80 and 100,896.40

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Solution

The fourth proportional to 117,614.80, 176,227.80 and 100,896.40 is: 151,177.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,614.80 : 176,227.80 = 100,896.40 : x
  2. Step 2: Convert to fraction form
    117,614.80/176,227.80 = 100,896.40/x
  3. Step 3: Cross multiply
    117,614.80x = 176,227.80 × 100,896.40
  4. Step 4: Simplify right side
    117,614.80x = 17,780,750,599.92
  5. Step 5: Solve for x
    x = 17,780,750,599.92/117,614.80
  6. Step 6: Final answer
    x = 151,177.83

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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.