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Finding the Fourth Proportional to 88,563, 122,216.94 and 55,029

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Solution

The fourth proportional to 88,563, 122,216.94 and 55,029 is: 75,940.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,563 : 122,216.94 = 55,029 : x
  2. Step 2: Convert to fraction form
    88,563/122,216.94 = 55,029/x
  3. Step 3: Cross multiply
    88,563x = 122,216.94 × 55,029
  4. Step 4: Simplify right side
    88,563x = 6,725,475,991.26
  5. Step 5: Solve for x
    x = 6,725,475,991.26/88,563
  6. Step 6: Final answer
    x = 75,940.02

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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.