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Finding the Fourth Proportional to 248,694.11, 343,354.64 and 176,250.63

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Solution

The fourth proportional to 248,694.11, 343,354.64 and 176,250.63 is: 243,336.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,694.11 : 343,354.64 = 176,250.63 : x
  2. Step 2: Convert to fraction form
    248,694.11/343,354.64 = 176,250.63/x
  3. Step 3: Cross multiply
    248,694.11x = 343,354.64 × 176,250.63
  4. Step 4: Simplify right side
    248,694.11x = 60,516,471,613.42
  5. Step 5: Solve for x
    x = 60,516,471,613.42/248,694.11
  6. Step 6: Final answer
    x = 243,336.97

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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.