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Finding the Fourth Proportional to 248,280.93, 372,261.15 and 106,218.88

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Solution

The fourth proportional to 248,280.93, 372,261.15 and 106,218.88 is: 159,259.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,280.93 : 372,261.15 = 106,218.88 : x
  2. Step 2: Convert to fraction form
    248,280.93/372,261.15 = 106,218.88/x
  3. Step 3: Cross multiply
    248,280.93x = 372,261.15 × 106,218.88
  4. Step 4: Simplify right side
    248,280.93x = 39,541,161,489.86
  5. Step 5: Solve for x
    x = 39,541,161,489.86/248,280.93
  6. Step 6: Final answer
    x = 159,259.76

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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.