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Finding the Fourth Proportional to 146,229.88, 219,426.78 and 79,674.64

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Solution

The fourth proportional to 146,229.88, 219,426.78 and 79,674.64 is: 119,556.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,229.88 : 219,426.78 = 79,674.64 : x
  2. Step 2: Convert to fraction form
    146,229.88/219,426.78 = 79,674.64/x
  3. Step 3: Cross multiply
    146,229.88x = 219,426.78 × 79,674.64
  4. Step 4: Simplify right side
    146,229.88x = 17,482,749,702.86
  5. Step 5: Solve for x
    x = 17,482,749,702.86/146,229.88
  6. Step 6: Final answer
    x = 119,556.62

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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.