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Finding the Fourth Proportional to 60,754.54, 91,131.03 and 20,773.12

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Solution

The fourth proportional to 60,754.54, 91,131.03 and 20,773.12 is: 31,159.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,754.54 : 91,131.03 = 20,773.12 : x
  2. Step 2: Convert to fraction form
    60,754.54/91,131.03 = 20,773.12/x
  3. Step 3: Cross multiply
    60,754.54x = 91,131.03 × 20,773.12
  4. Step 4: Simplify right side
    60,754.54x = 1,893,075,366.26
  5. Step 5: Solve for x
    x = 1,893,075,366.26/60,754.54
  6. Step 6: Final answer
    x = 31,159.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.