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Finding the Fourth Proportional to 67,339.36, 101,071.36 and 34,082.78

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Solution

The fourth proportional to 67,339.36, 101,071.36 and 34,082.78 is: 51,155.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,339.36 : 101,071.36 = 34,082.78 : x
  2. Step 2: Convert to fraction form
    67,339.36/101,071.36 = 34,082.78/x
  3. Step 3: Cross multiply
    67,339.36x = 101,071.36 × 34,082.78
  4. Step 4: Simplify right side
    67,339.36x = 3,444,792,927.18
  5. Step 5: Solve for x
    x = 3,444,792,927.18/67,339.36
  6. Step 6: Final answer
    x = 51,155.71

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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.