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Finding the Fourth Proportional to 80,593.76, 111,217.92 and 44,783.12

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Solution

The fourth proportional to 80,593.76, 111,217.92 and 44,783.12 is: 61,799.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,593.76 : 111,217.92 = 44,783.12 : x
  2. Step 2: Convert to fraction form
    80,593.76/111,217.92 = 44,783.12/x
  3. Step 3: Cross multiply
    80,593.76x = 111,217.92 × 44,783.12
  4. Step 4: Simplify right side
    80,593.76x = 4,980,685,457.51
  5. Step 5: Solve for x
    x = 4,980,685,457.51/80,593.76
  6. Step 6: Final answer
    x = 61,799.89

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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.