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Finding the Fourth Proportional to 88,558.80, 132,273.80 and 80,112.31

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Solution

The fourth proportional to 88,558.80, 132,273.80 and 80,112.31 is: 119,657.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,558.80 : 132,273.80 = 80,112.31 : x
  2. Step 2: Convert to fraction form
    88,558.80/132,273.80 = 80,112.31/x
  3. Step 3: Cross multiply
    88,558.80x = 132,273.80 × 80,112.31
  4. Step 4: Simplify right side
    88,558.80x = 10,596,759,238.01
  5. Step 5: Solve for x
    x = 10,596,759,238.01/88,558.80
  6. Step 6: Final answer
    x = 119,657.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.