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Finding the Fourth Proportional to 248,684.99, 372,770.51 and 115,456.59

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Solution

The fourth proportional to 248,684.99, 372,770.51 and 115,456.59 is: 173,065.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,684.99 : 372,770.51 = 115,456.59 : x
  2. Step 2: Convert to fraction form
    248,684.99/372,770.51 = 115,456.59/x
  3. Step 3: Cross multiply
    248,684.99x = 372,770.51 × 115,456.59
  4. Step 4: Simplify right side
    248,684.99x = 43,038,811,359.88
  5. Step 5: Solve for x
    x = 43,038,811,359.88/248,684.99
  6. Step 6: Final answer
    x = 173,065.58

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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.