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Finding the Fourth Proportional to 248,593.72, 343,049.66 and 151,959.38

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Solution

The fourth proportional to 248,593.72, 343,049.66 and 151,959.38 is: 209,698.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,593.72 : 343,049.66 = 151,959.38 : x
  2. Step 2: Convert to fraction form
    248,593.72/343,049.66 = 151,959.38/x
  3. Step 3: Cross multiply
    248,593.72x = 343,049.66 × 151,959.38
  4. Step 4: Simplify right side
    248,593.72x = 52,129,613,642.81
  5. Step 5: Solve for x
    x = 52,129,613,642.81/248,593.72
  6. Step 6: Final answer
    x = 209,698.03

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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.