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Finding the Fourth Proportional to 88,074.80, 132,112.20 and 54,897.20

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Solution

The fourth proportional to 88,074.80, 132,112.20 and 54,897.20 is: 82,345.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,074.80 : 132,112.20 = 54,897.20 : x
  2. Step 2: Convert to fraction form
    88,074.80/132,112.20 = 54,897.20/x
  3. Step 3: Cross multiply
    88,074.80x = 132,112.20 × 54,897.20
  4. Step 4: Simplify right side
    88,074.80x = 7,252,589,865.84
  5. Step 5: Solve for x
    x = 7,252,589,865.84/88,074.80
  6. Step 6: Final answer
    x = 82,345.80

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1.5x scale

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.