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Finding the Fourth Proportional to 248,700.01, 372,757.80 and 115,299.49

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Solution

The fourth proportional to 248,700.01, 372,757.80 and 115,299.49 is: 172,813.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,700.01 : 372,757.80 = 115,299.49 : x
  2. Step 2: Convert to fraction form
    248,700.01/372,757.80 = 115,299.49/x
  3. Step 3: Cross multiply
    248,700.01x = 372,757.80 × 115,299.49
  4. Step 4: Simplify right side
    248,700.01x = 42,978,784,233.52
  5. Step 5: Solve for x
    x = 42,978,784,233.52/248,700.01
  6. Step 6: Final answer
    x = 172,813.76

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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.