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Finding the Fourth Proportional to 240,047.40, 331,266.18 and 132,623.40

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Solution

The fourth proportional to 240,047.40, 331,266.18 and 132,623.40 is: 183,020.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,047.40 : 331,266.18 = 132,623.40 : x
  2. Step 2: Convert to fraction form
    240,047.40/331,266.18 = 132,623.40/x
  3. Step 3: Cross multiply
    240,047.40x = 331,266.18 × 132,623.40
  4. Step 4: Simplify right side
    240,047.40x = 43,933,647,096.61
  5. Step 5: Solve for x
    x = 43,933,647,096.61/240,047.40
  6. Step 6: Final answer
    x = 183,020.72

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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.