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Finding the Fourth Proportional to 248,510, 372,773.64 and 82,293.68

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Solution

The fourth proportional to 248,510, 372,773.64 and 82,293.68 is: 123,443.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,510 : 372,773.64 = 82,293.68 : x
  2. Step 2: Convert to fraction form
    248,510/372,773.64 = 82,293.68/x
  3. Step 3: Cross multiply
    248,510x = 372,773.64 × 82,293.68
  4. Step 4: Simplify right side
    248,510x = 30,676,914,642.60
  5. Step 5: Solve for x
    x = 30,676,914,642.60/248,510
  6. Step 6: Final answer
    x = 123,443.38

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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.