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Finding the Fourth Proportional to 237,670.40, 327,974.40 and 137,062.40

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Solution

The fourth proportional to 237,670.40, 327,974.40 and 137,062.40 is: 189,139.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,670.40 : 327,974.40 = 137,062.40 : x
  2. Step 2: Convert to fraction form
    237,670.40/327,974.40 = 137,062.40/x
  3. Step 3: Cross multiply
    237,670.40x = 327,974.40 × 137,062.40
  4. Step 4: Simplify right side
    237,670.40x = 44,952,958,402.56
  5. Step 5: Solve for x
    x = 44,952,958,402.56/237,670.40
  6. Step 6: Final answer
    x = 189,139.91

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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.