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Finding the Fourth Proportional to 136,315.20, 204,472.80 and 94,324.80

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Solution

The fourth proportional to 136,315.20, 204,472.80 and 94,324.80 is: 141,487.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,315.20 : 204,472.80 = 94,324.80 : x
  2. Step 2: Convert to fraction form
    136,315.20/204,472.80 = 94,324.80/x
  3. Step 3: Cross multiply
    136,315.20x = 204,472.80 × 94,324.80
  4. Step 4: Simplify right side
    136,315.20x = 19,286,855,965.44
  5. Step 5: Solve for x
    x = 19,286,855,965.44/136,315.20
  6. Step 6: Final answer
    x = 141,487.20

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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.