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Finding the Fourth Proportional to 80,508.78, 111,102.36 and 44,698.88

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Solution

The fourth proportional to 80,508.78, 111,102.36 and 44,698.88 is: 61,684.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,508.78 : 111,102.36 = 44,698.88 : x
  2. Step 2: Convert to fraction form
    80,508.78/111,102.36 = 44,698.88/x
  3. Step 3: Cross multiply
    80,508.78x = 111,102.36 × 44,698.88
  4. Step 4: Simplify right side
    80,508.78x = 4,966,151,057.36
  5. Step 5: Solve for x
    x = 4,966,151,057.36/80,508.78
  6. Step 6: Final answer
    x = 61,684.59

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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.