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Finding the Fourth Proportional to 80,649.76, 111,299.52 and 44,849.92

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Solution

The fourth proportional to 80,649.76, 111,299.52 and 44,849.92 is: 61,894.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,649.76 : 111,299.52 = 44,849.92 : x
  2. Step 2: Convert to fraction form
    80,649.76/111,299.52 = 44,849.92/x
  3. Step 3: Cross multiply
    80,649.76x = 111,299.52 × 44,849.92
  4. Step 4: Simplify right side
    80,649.76x = 4,991,774,568.04
  5. Step 5: Solve for x
    x = 4,991,774,568.04/80,649.76
  6. Step 6: Final answer
    x = 61,894.48

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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.