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Finding the Fourth Proportional to 79,818.77, 110,165.86 and 45,850.56

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Solution

The fourth proportional to 79,818.77, 110,165.86 and 45,850.56 is: 63,282.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,818.77 : 110,165.86 = 45,850.56 : x
  2. Step 2: Convert to fraction form
    79,818.77/110,165.86 = 45,850.56/x
  3. Step 3: Cross multiply
    79,818.77x = 110,165.86 × 45,850.56
  4. Step 4: Simplify right side
    79,818.77x = 5,051,165,760.16
  5. Step 5: Solve for x
    x = 5,051,165,760.16/79,818.77
  6. Step 6: Final answer
    x = 63,282.93

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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.