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Finding the Fourth Proportional to 247,651.64, 341,760.66 and 134,474.42

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Solution

The fourth proportional to 247,651.64, 341,760.66 and 134,474.42 is: 185,575.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,651.64 : 341,760.66 = 134,474.42 : x
  2. Step 2: Convert to fraction form
    247,651.64/341,760.66 = 134,474.42/x
  3. Step 3: Cross multiply
    247,651.64x = 341,760.66 × 134,474.42
  4. Step 4: Simplify right side
    247,651.64x = 45,958,066,532.32
  5. Step 5: Solve for x
    x = 45,958,066,532.32/247,651.64
  6. Step 6: Final answer
    x = 185,575.46

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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.