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Finding the Fourth Proportional to 88,410.25, 132,616.75 and 49,216.48

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Solution

The fourth proportional to 88,410.25, 132,616.75 and 49,216.48 is: 73,825.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,410.25 : 132,616.75 = 49,216.48 : x
  2. Step 2: Convert to fraction form
    88,410.25/132,616.75 = 49,216.48/x
  3. Step 3: Cross multiply
    88,410.25x = 132,616.75 × 49,216.48
  4. Step 4: Simplify right side
    88,410.25x = 6,526,929,169.46
  5. Step 5: Solve for x
    x = 6,526,929,169.46/88,410.25
  6. Step 6: Final answer
    x = 73,825.48

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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.