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Finding the Fourth Proportional to 247,653.64, 341,763.42 and 134,476.42

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Solution

The fourth proportional to 247,653.64, 341,763.42 and 134,476.42 is: 185,578.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,653.64 : 341,763.42 = 134,476.42 : x
  2. Step 2: Convert to fraction form
    247,653.64/341,763.42 = 134,476.42/x
  3. Step 3: Cross multiply
    247,653.64x = 341,763.42 × 134,476.42
  4. Step 4: Simplify right side
    247,653.64x = 45,959,121,208.56
  5. Step 5: Solve for x
    x = 45,959,121,208.56/247,653.64
  6. Step 6: Final answer
    x = 185,578.22

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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.