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Finding the Fourth Proportional to 88,218.60, 132,327.90 and 29,056.20

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Solution

The fourth proportional to 88,218.60, 132,327.90 and 29,056.20 is: 43,584.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,218.60 : 132,327.90 = 29,056.20 : x
  2. Step 2: Convert to fraction form
    88,218.60/132,327.90 = 29,056.20/x
  3. Step 3: Cross multiply
    88,218.60x = 132,327.90 × 29,056.20
  4. Step 4: Simplify right side
    88,218.60x = 3,844,945,927.98
  5. Step 5: Solve for x
    x = 3,844,945,927.98/88,218.60
  6. Step 6: Final answer
    x = 43,584.30

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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.