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Finding the Fourth Proportional to 86,187.52, 129,256.02 and 33,584.44

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Solution

The fourth proportional to 86,187.52, 129,256.02 and 33,584.44 is: 50,366.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,187.52 : 129,256.02 = 33,584.44 : x
  2. Step 2: Convert to fraction form
    86,187.52/129,256.02 = 33,584.44/x
  3. Step 3: Cross multiply
    86,187.52x = 129,256.02 × 33,584.44
  4. Step 4: Simplify right side
    86,187.52x = 4,340,991,048.33
  5. Step 5: Solve for x
    x = 4,340,991,048.33/86,187.52
  6. Step 6: Final answer
    x = 50,366.82

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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.