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Finding the Fourth Proportional to 79,723.68, 110,016.32 and 45,737.76

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Solution

The fourth proportional to 79,723.68, 110,016.32 and 45,737.76 is: 63,116.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,723.68 : 110,016.32 = 45,737.76 : x
  2. Step 2: Convert to fraction form
    79,723.68/110,016.32 = 45,737.76/x
  3. Step 3: Cross multiply
    79,723.68x = 110,016.32 × 45,737.76
  4. Step 4: Simplify right side
    79,723.68x = 5,031,900,040.24
  5. Step 5: Solve for x
    x = 5,031,900,040.24/79,723.68
  6. Step 6: Final answer
    x = 63,116.76

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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.