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Finding the Fourth Proportional to 237,074.34, 327,139.47 and 135,105.42

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Solution

The fourth proportional to 237,074.34, 327,139.47 and 135,105.42 is: 186,432.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,074.34 : 327,139.47 = 135,105.42 : x
  2. Step 2: Convert to fraction form
    237,074.34/327,139.47 = 135,105.42/x
  3. Step 3: Cross multiply
    237,074.34x = 327,139.47 × 135,105.42
  4. Step 4: Simplify right side
    237,074.34x = 44,198,315,492.93
  5. Step 5: Solve for x
    x = 44,198,315,492.93/237,074.34
  6. Step 6: Final answer
    x = 186,432.30

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.