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Finding the Fourth Proportional to 119,611.49, 179,294.11 and 53,082.95

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Solution

The fourth proportional to 119,611.49, 179,294.11 and 53,082.95 is: 79,569.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,611.49 : 179,294.11 = 53,082.95 : x
  2. Step 2: Convert to fraction form
    119,611.49/179,294.11 = 53,082.95/x
  3. Step 3: Cross multiply
    119,611.49x = 179,294.11 × 53,082.95
  4. Step 4: Simplify right side
    119,611.49x = 9,517,459,247.25
  5. Step 5: Solve for x
    x = 9,517,459,247.25/119,611.49
  6. Step 6: Final answer
    x = 79,569.78

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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.