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Finding the Fourth Proportional to 89,105.58, 122,959.62 and 52,323.90

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Solution

The fourth proportional to 89,105.58, 122,959.62 and 52,323.90 is: 72,203.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,105.58 : 122,959.62 = 52,323.90 : x
  2. Step 2: Convert to fraction form
    89,105.58/122,959.62 = 52,323.90/x
  3. Step 3: Cross multiply
    89,105.58x = 122,959.62 × 52,323.90
  4. Step 4: Simplify right side
    89,105.58x = 6,433,726,860.92
  5. Step 5: Solve for x
    x = 6,433,726,860.92/89,105.58
  6. Step 6: Final answer
    x = 72,203.41

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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.