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Finding the Fourth Proportional to 80,532, 111,135.63 and 44,725.32

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Solution

The fourth proportional to 80,532, 111,135.63 and 44,725.32 is: 61,721.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,532 : 111,135.63 = 44,725.32 : x
  2. Step 2: Convert to fraction form
    80,532/111,135.63 = 44,725.32/x
  3. Step 3: Cross multiply
    80,532x = 111,135.63 × 44,725.32
  4. Step 4: Simplify right side
    80,532x = 4,970,576,615.15
  5. Step 5: Solve for x
    x = 4,970,576,615.15/80,532
  6. Step 6: Final answer
    x = 61,721.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.