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Finding the Fourth Proportional to 88,273.60, 132,410.40 and 79,525.60

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Solution

The fourth proportional to 88,273.60, 132,410.40 and 79,525.60 is: 119,288.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,273.60 : 132,410.40 = 79,525.60 : x
  2. Step 2: Convert to fraction form
    88,273.60/132,410.40 = 79,525.60/x
  3. Step 3: Cross multiply
    88,273.60x = 132,410.40 × 79,525.60
  4. Step 4: Simplify right side
    88,273.60x = 10,530,016,506.24
  5. Step 5: Solve for x
    x = 10,530,016,506.24/88,273.60
  6. Step 6: Final answer
    x = 119,288.40

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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.