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Finding the Fourth Proportional to 248,019.57, 371,961.76 and 68,062.33

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Solution

The fourth proportional to 248,019.57, 371,961.76 and 68,062.33 is: 102,074.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,019.57 : 371,961.76 = 68,062.33 : x
  2. Step 2: Convert to fraction form
    248,019.57/371,961.76 = 68,062.33/x
  3. Step 3: Cross multiply
    248,019.57x = 371,961.76 × 68,062.33
  4. Step 4: Simplify right side
    248,019.57x = 25,316,584,056.50
  5. Step 5: Solve for x
    x = 25,316,584,056.50/248,019.57
  6. Step 6: Final answer
    x = 102,074.95

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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.