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Finding the Fourth Proportional to 248,753.96, 343,288.52 and 141,322.04

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Solution

The fourth proportional to 248,753.96, 343,288.52 and 141,322.04 is: 195,028.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,753.96 : 343,288.52 = 141,322.04 : x
  2. Step 2: Convert to fraction form
    248,753.96/343,288.52 = 141,322.04/x
  3. Step 3: Cross multiply
    248,753.96x = 343,288.52 × 141,322.04
  4. Step 4: Simplify right side
    248,753.96x = 48,514,233,954.98
  5. Step 5: Solve for x
    x = 48,514,233,954.98/248,753.96
  6. Step 6: Final answer
    x = 195,028.99

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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.