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Finding the Fourth Proportional to 71,754.93, 99,020.27 and 41,541.53

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Solution

The fourth proportional to 71,754.93, 99,020.27 and 41,541.53 is: 57,326.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,754.93 : 99,020.27 = 41,541.53 : x
  2. Step 2: Convert to fraction form
    71,754.93/99,020.27 = 41,541.53/x
  3. Step 3: Cross multiply
    71,754.93x = 99,020.27 × 41,541.53
  4. Step 4: Simplify right side
    71,754.93x = 4,113,453,125.57
  5. Step 5: Solve for x
    x = 4,113,453,125.57/71,754.93
  6. Step 6: Final answer
    x = 57,326.42

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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.