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Finding the Fourth Proportional to 79,504.83, 109,718.70 and 43,695.75

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Solution

The fourth proportional to 79,504.83, 109,718.70 and 43,695.75 is: 60,301.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,504.83 : 109,718.70 = 43,695.75 : x
  2. Step 2: Convert to fraction form
    79,504.83/109,718.70 = 43,695.75/x
  3. Step 3: Cross multiply
    79,504.83x = 109,718.70 × 43,695.75
  4. Step 4: Simplify right side
    79,504.83x = 4,794,240,885.53
  5. Step 5: Solve for x
    x = 4,794,240,885.53/79,504.83
  6. Step 6: Final answer
    x = 60,301.25

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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.