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Finding the Fourth Proportional to 247,744, 341,892.96 and 134,566.72

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Solution

The fourth proportional to 247,744, 341,892.96 and 134,566.72 is: 185,705.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,744 : 341,892.96 = 134,566.72 : x
  2. Step 2: Convert to fraction form
    247,744/341,892.96 = 134,566.72/x
  3. Step 3: Cross multiply
    247,744x = 341,892.96 × 134,566.72
  4. Step 4: Simplify right side
    247,744x = 46,007,414,218.29
  5. Step 5: Solve for x
    x = 46,007,414,218.29/247,744
  6. Step 6: Final answer
    x = 185,705.46

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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.