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Finding the Fourth Proportional to 146,227.71, 201,794.85 and 79,159.71

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Solution

The fourth proportional to 146,227.71, 201,794.85 and 79,159.71 is: 109,240.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,227.71 : 201,794.85 = 79,159.71 : x
  2. Step 2: Convert to fraction form
    146,227.71/201,794.85 = 79,159.71/x
  3. Step 3: Cross multiply
    146,227.71x = 201,794.85 × 79,159.71
  4. Step 4: Simplify right side
    146,227.71x = 15,974,021,805.49
  5. Step 5: Solve for x
    x = 15,974,021,805.49/146,227.71
  6. Step 6: Final answer
    x = 109,240.73

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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.