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Finding the Fourth Proportional to 195,882.74, 293,824.10 and 129,307.30

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Solution

The fourth proportional to 195,882.74, 293,824.10 and 129,307.30 is: 193,960.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,882.74 : 293,824.10 = 129,307.30 : x
  2. Step 2: Convert to fraction form
    195,882.74/293,824.10 = 129,307.30/x
  3. Step 3: Cross multiply
    195,882.74x = 293,824.10 × 129,307.30
  4. Step 4: Simplify right side
    195,882.74x = 37,993,600,634.64
  5. Step 5: Solve for x
    x = 37,993,600,634.64/195,882.74
  6. Step 6: Final answer
    x = 193,960.95

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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.