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Finding the Fourth Proportional to 232,876.80, 349,315.20 and 99,734.40

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Solution

The fourth proportional to 232,876.80, 349,315.20 and 99,734.40 is: 149,601.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,876.80 : 349,315.20 = 99,734.40 : x
  2. Step 2: Convert to fraction form
    232,876.80/349,315.20 = 99,734.40/x
  3. Step 3: Cross multiply
    232,876.80x = 349,315.20 × 99,734.40
  4. Step 4: Simplify right side
    232,876.80x = 34,838,741,882.88
  5. Step 5: Solve for x
    x = 34,838,741,882.88/232,876.80
  6. Step 6: Final answer
    x = 149,601.60

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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.