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Finding the Fourth Proportional to 75,082.52, 103,603.64 and 44,861.46

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Solution

The fourth proportional to 75,082.52, 103,603.64 and 44,861.46 is: 61,902.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,082.52 : 103,603.64 = 44,861.46 : x
  2. Step 2: Convert to fraction form
    75,082.52/103,603.64 = 44,861.46/x
  3. Step 3: Cross multiply
    75,082.52x = 103,603.64 × 44,861.46
  4. Step 4: Simplify right side
    75,082.52x = 4,647,810,551.71
  5. Step 5: Solve for x
    x = 4,647,810,551.71/75,082.52
  6. Step 6: Final answer
    x = 61,902.70

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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.