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Finding the Fourth Proportional to 248,955.96, 343,517.58 and 236,345.88

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Solution

The fourth proportional to 248,955.96, 343,517.58 and 236,345.88 is: 326,117.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,955.96 : 343,517.58 = 236,345.88 : x
  2. Step 2: Convert to fraction form
    248,955.96/343,517.58 = 236,345.88/x
  3. Step 3: Cross multiply
    248,955.96x = 343,517.58 × 236,345.88
  4. Step 4: Simplify right side
    248,955.96x = 81,188,964,740.57
  5. Step 5: Solve for x
    x = 81,188,964,740.57/248,955.96
  6. Step 6: Final answer
    x = 326,117.78

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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.