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Finding the Fourth Proportional to 173,611.12, 239,608.88 and 109,954.84

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Solution

The fourth proportional to 173,611.12, 239,608.88 and 109,954.84 is: 151,753.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,611.12 : 239,608.88 = 109,954.84 : x
  2. Step 2: Convert to fraction form
    173,611.12/239,608.88 = 109,954.84/x
  3. Step 3: Cross multiply
    173,611.12x = 239,608.88 × 109,954.84
  4. Step 4: Simplify right side
    173,611.12x = 26,346,156,062.98
  5. Step 5: Solve for x
    x = 26,346,156,062.98/173,611.12
  6. Step 6: Final answer
    x = 151,753.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.