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Finding the Fourth Proportional to 173,630.20, 260,250.90 and 89,357.80

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Solution

The fourth proportional to 173,630.20, 260,250.90 and 89,357.80 is: 133,936.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,630.20 : 260,250.90 = 89,357.80 : x
  2. Step 2: Convert to fraction form
    173,630.20/260,250.90 = 89,357.80/x
  3. Step 3: Cross multiply
    173,630.20x = 260,250.90 × 89,357.80
  4. Step 4: Simplify right side
    173,630.20x = 23,255,447,872.02
  5. Step 5: Solve for x
    x = 23,255,447,872.02/173,630.20
  6. Step 6: Final answer
    x = 133,936.65

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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.