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Finding the Fourth Proportional to 80,668.64, 111,322.29 and 44,856.56

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Solution

The fourth proportional to 80,668.64, 111,322.29 and 44,856.56 is: 61,901.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,668.64 : 111,322.29 = 44,856.56 : x
  2. Step 2: Convert to fraction form
    80,668.64/111,322.29 = 44,856.56/x
  3. Step 3: Cross multiply
    80,668.64x = 111,322.29 × 44,856.56
  4. Step 4: Simplify right side
    80,668.64x = 4,993,534,980.72
  5. Step 5: Solve for x
    x = 4,993,534,980.72/80,668.64
  6. Step 6: Final answer
    x = 61,901.81

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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.