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Finding the Fourth Proportional to 248,323.68, 343,087.92 and 173,207.52

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Solution

The fourth proportional to 248,323.68, 343,087.92 and 173,207.52 is: 239,306.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,323.68 : 343,087.92 = 173,207.52 : x
  2. Step 2: Convert to fraction form
    248,323.68/343,087.92 = 173,207.52/x
  3. Step 3: Cross multiply
    248,323.68x = 343,087.92 × 173,207.52
  4. Step 4: Simplify right side
    248,323.68x = 59,425,407,765.16
  5. Step 5: Solve for x
    x = 59,425,407,765.16/248,323.68
  6. Step 6: Final answer
    x = 239,306.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.