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Finding the Fourth Proportional to 248,834.80, 373,191.53 and 68,915.55

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Solution

The fourth proportional to 248,834.80, 373,191.53 and 68,915.55 is: 103,356.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,834.80 : 373,191.53 = 68,915.55 : x
  2. Step 2: Convert to fraction form
    248,834.80/373,191.53 = 68,915.55/x
  3. Step 3: Cross multiply
    248,834.80x = 373,191.53 × 68,915.55
  4. Step 4: Simplify right side
    248,834.80x = 25,718,697,797.66
  5. Step 5: Solve for x
    x = 25,718,697,797.66/248,834.80
  6. Step 6: Final answer
    x = 103,356.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.