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Finding the Fourth Proportional to 99,562.42, 137,396.10 and 54,850.42

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Solution

The fourth proportional to 99,562.42, 137,396.10 and 54,850.42 is: 75,693.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,562.42 : 137,396.10 = 54,850.42 : x
  2. Step 2: Convert to fraction form
    99,562.42/137,396.10 = 54,850.42/x
  3. Step 3: Cross multiply
    99,562.42x = 137,396.10 × 54,850.42
  4. Step 4: Simplify right side
    99,562.42x = 7,536,233,791.36
  5. Step 5: Solve for x
    x = 7,536,233,791.36/99,562.42
  6. Step 6: Final answer
    x = 75,693.56

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1.5x scale

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.