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Finding the Fourth Proportional to 61,199.43, 91,825.26 and 34,565.42

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Solution

The fourth proportional to 61,199.43, 91,825.26 and 34,565.42 is: 51,862.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,199.43 : 91,825.26 = 34,565.42 : x
  2. Step 2: Convert to fraction form
    61,199.43/91,825.26 = 34,565.42/x
  3. Step 3: Cross multiply
    61,199.43x = 91,825.26 × 34,565.42
  4. Step 4: Simplify right side
    61,199.43x = 3,173,978,219.38
  5. Step 5: Solve for x
    x = 3,173,978,219.38/61,199.43
  6. Step 6: Final answer
    x = 51,862.87

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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.