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Finding the Fourth Proportional to 170,606.48, 255,900.48 and 52,278.17

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Solution

The fourth proportional to 170,606.48, 255,900.48 and 52,278.17 is: 78,414.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,606.48 : 255,900.48 = 52,278.17 : x
  2. Step 2: Convert to fraction form
    170,606.48/255,900.48 = 52,278.17/x
  3. Step 3: Cross multiply
    170,606.48x = 255,900.48 × 52,278.17
  4. Step 4: Simplify right side
    170,606.48x = 13,378,007,517.02
  5. Step 5: Solve for x
    x = 13,378,007,517.02/170,606.48
  6. Step 6: Final answer
    x = 78,414.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.