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Finding the Fourth Proportional to 57,058.65, 85,175.66 and 50,060.25

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Solution

The fourth proportional to 57,058.65, 85,175.66 and 50,060.25 is: 74,728.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,058.65 : 85,175.66 = 50,060.25 : x
  2. Step 2: Convert to fraction form
    57,058.65/85,175.66 = 50,060.25/x
  3. Step 3: Cross multiply
    57,058.65x = 85,175.66 × 50,060.25
  4. Step 4: Simplify right side
    57,058.65x = 4,263,914,958.67
  5. Step 5: Solve for x
    x = 4,263,914,958.67/57,058.65
  6. Step 6: Final answer
    x = 74,728.63

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.