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Finding the Fourth Proportional to 88,808.32, 133,218.56 and 29,641.60

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Solution

The fourth proportional to 88,808.32, 133,218.56 and 29,641.60 is: 44,464.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,808.32 : 133,218.56 = 29,641.60 : x
  2. Step 2: Convert to fraction form
    88,808.32/133,218.56 = 29,641.60/x
  3. Step 3: Cross multiply
    88,808.32x = 133,218.56 × 29,641.60
  4. Step 4: Simplify right side
    88,808.32x = 3,948,811,268.10
  5. Step 5: Solve for x
    x = 3,948,811,268.10/88,808.32
  6. Step 6: Final answer
    x = 44,464.43

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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.