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Finding the Fourth Proportional to 237,520.88, 327,784.13 and 135,544.31

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Solution

The fourth proportional to 237,520.88, 327,784.13 and 135,544.31 is: 187,054.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,520.88 : 327,784.13 = 135,544.31 : x
  2. Step 2: Convert to fraction form
    237,520.88/327,784.13 = 135,544.31/x
  3. Step 3: Cross multiply
    237,520.88x = 327,784.13 × 135,544.31
  4. Step 4: Simplify right side
    237,520.88x = 44,429,273,729.80
  5. Step 5: Solve for x
    x = 44,429,273,729.80/237,520.88
  6. Step 6: Final answer
    x = 187,054.18

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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.