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Finding the Fourth Proportional to 79,908.27, 110,314.87 and 58,373.84

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Solution

The fourth proportional to 79,908.27, 110,314.87 and 58,373.84 is: 80,586.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,908.27 : 110,314.87 = 58,373.84 : x
  2. Step 2: Convert to fraction form
    79,908.27/110,314.87 = 58,373.84/x
  3. Step 3: Cross multiply
    79,908.27x = 110,314.87 × 58,373.84
  4. Step 4: Simplify right side
    79,908.27x = 6,439,502,571.00
  5. Step 5: Solve for x
    x = 6,439,502,571.00/79,908.27
  6. Step 6: Final answer
    x = 80,586.18

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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.