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Finding the Fourth Proportional to 80,313.65, 110,836.36 and 44,503.57

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Solution

The fourth proportional to 80,313.65, 110,836.36 and 44,503.57 is: 61,416.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,313.65 : 110,836.36 = 44,503.57 : x
  2. Step 2: Convert to fraction form
    80,313.65/110,836.36 = 44,503.57/x
  3. Step 3: Cross multiply
    80,313.65x = 110,836.36 × 44,503.57
  4. Step 4: Simplify right side
    80,313.65x = 4,932,613,705.81
  5. Step 5: Solve for x
    x = 4,932,613,705.81/80,313.65
  6. Step 6: Final answer
    x = 61,416.88

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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.