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Finding the Fourth Proportional to 60,372.66, 90,474.48 and 51,441.42

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Solution

The fourth proportional to 60,372.66, 90,474.48 and 51,441.42 is: 77,090.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,372.66 : 90,474.48 = 51,441.42 : x
  2. Step 2: Convert to fraction form
    60,372.66/90,474.48 = 51,441.42/x
  3. Step 3: Cross multiply
    60,372.66x = 90,474.48 × 51,441.42
  4. Step 4: Simplify right side
    60,372.66x = 4,654,135,724.96
  5. Step 5: Solve for x
    x = 4,654,135,724.96/60,372.66
  6. Step 6: Final answer
    x = 77,090.12

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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.