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Finding the Fourth Proportional to 71,844.50, 98,427.44 and 69,150.92

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Solution

The fourth proportional to 71,844.50, 98,427.44 and 69,150.92 is: 94,737.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,844.50 : 98,427.44 = 69,150.92 : x
  2. Step 2: Convert to fraction form
    71,844.50/98,427.44 = 69,150.92/x
  3. Step 3: Cross multiply
    71,844.50x = 98,427.44 × 69,150.92
  4. Step 4: Simplify right side
    71,844.50x = 6,806,347,321.01
  5. Step 5: Solve for x
    x = 6,806,347,321.01/71,844.50
  6. Step 6: Final answer
    x = 94,737.20

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.