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Finding the Fourth Proportional to 88,431.80, 132,647.70 and 25,251.80

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Solution

The fourth proportional to 88,431.80, 132,647.70 and 25,251.80 is: 37,877.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,431.80 : 132,647.70 = 25,251.80 : x
  2. Step 2: Convert to fraction form
    88,431.80/132,647.70 = 25,251.80/x
  3. Step 3: Cross multiply
    88,431.80x = 132,647.70 × 25,251.80
  4. Step 4: Simplify right side
    88,431.80x = 3,349,593,190.86
  5. Step 5: Solve for x
    x = 3,349,593,190.86/88,431.80
  6. Step 6: Final answer
    x = 37,877.70

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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.