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Finding the Fourth Proportional to 75,695.72, 104,460.12 and 43,883.10

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Solution

The fourth proportional to 75,695.72, 104,460.12 and 43,883.10 is: 60,558.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,695.72 : 104,460.12 = 43,883.10 : x
  2. Step 2: Convert to fraction form
    75,695.72/104,460.12 = 43,883.10/x
  3. Step 3: Cross multiply
    75,695.72x = 104,460.12 × 43,883.10
  4. Step 4: Simplify right side
    75,695.72x = 4,584,033,891.97
  5. Step 5: Solve for x
    x = 4,584,033,891.97/75,695.72
  6. Step 6: Final answer
    x = 60,558.69

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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.