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Finding the Fourth Proportional to 231,084.88, 318,697.48 and 150,482

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Solution

The fourth proportional to 231,084.88, 318,697.48 and 150,482 is: 207,535.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,084.88 : 318,697.48 = 150,482 : x
  2. Step 2: Convert to fraction form
    231,084.88/318,697.48 = 150,482/x
  3. Step 3: Cross multiply
    231,084.88x = 318,697.48 × 150,482
  4. Step 4: Simplify right side
    231,084.88x = 47,958,234,185.36
  5. Step 5: Solve for x
    x = 47,958,234,185.36/231,084.88
  6. Step 6: Final answer
    x = 207,535.15

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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.