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Finding the Fourth Proportional to 75,058.43, 103,579.70 and 41,066.48

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Solution

The fourth proportional to 75,058.43, 103,579.70 and 41,066.48 is: 56,671.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,058.43 : 103,579.70 = 41,066.48 : x
  2. Step 2: Convert to fraction form
    75,058.43/103,579.70 = 41,066.48/x
  3. Step 3: Cross multiply
    75,058.43x = 103,579.70 × 41,066.48
  4. Step 4: Simplify right side
    75,058.43x = 4,253,653,732.07
  5. Step 5: Solve for x
    x = 4,253,653,732.07/75,058.43
  6. Step 6: Final answer
    x = 56,671.24

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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.