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Finding the Fourth Proportional to 146,736.30, 220,104.45 and 75,658.80

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Solution

The fourth proportional to 146,736.30, 220,104.45 and 75,658.80 is: 113,488.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,736.30 : 220,104.45 = 75,658.80 : x
  2. Step 2: Convert to fraction form
    146,736.30/220,104.45 = 75,658.80/x
  3. Step 3: Cross multiply
    146,736.30x = 220,104.45 × 75,658.80
  4. Step 4: Simplify right side
    146,736.30x = 16,652,838,561.66
  5. Step 5: Solve for x
    x = 16,652,838,561.66/146,736.30
  6. Step 6: Final answer
    x = 113,488.20

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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.