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Finding the Fourth Proportional to 120,452.02, 166,225.11 and 66,737.88

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Solution

The fourth proportional to 120,452.02, 166,225.11 and 66,737.88 is: 92,099.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,452.02 : 166,225.11 = 66,737.88 : x
  2. Step 2: Convert to fraction form
    120,452.02/166,225.11 = 66,737.88/x
  3. Step 3: Cross multiply
    120,452.02x = 166,225.11 × 66,737.88
  4. Step 4: Simplify right side
    120,452.02x = 11,093,511,444.17
  5. Step 5: Solve for x
    x = 11,093,511,444.17/120,452.02
  6. Step 6: Final answer
    x = 92,099.01

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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.