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Finding the Fourth Proportional to 248,751.88, 343,286.77 and 141,340.10

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Solution

The fourth proportional to 248,751.88, 343,286.77 and 141,340.10 is: 195,054.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,751.88 : 343,286.77 = 141,340.10 : x
  2. Step 2: Convert to fraction form
    248,751.88/343,286.77 = 141,340.10/x
  3. Step 3: Cross multiply
    248,751.88x = 343,286.77 × 141,340.10
  4. Step 4: Simplify right side
    248,751.88x = 48,520,186,905.34
  5. Step 5: Solve for x
    x = 48,520,186,905.34/248,751.88
  6. Step 6: Final answer
    x = 195,054.56

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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.