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Finding the Fourth Proportional to 262,892.84, 394,170.81 and 111,048.66

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Solution

The fourth proportional to 262,892.84, 394,170.81 and 111,048.66 is: 166,501.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,892.84 : 394,170.81 = 111,048.66 : x
  2. Step 2: Convert to fraction form
    262,892.84/394,170.81 = 111,048.66/x
  3. Step 3: Cross multiply
    262,892.84x = 394,170.81 × 111,048.66
  4. Step 4: Simplify right side
    262,892.84x = 43,772,140,261.61
  5. Step 5: Solve for x
    x = 43,772,140,261.61/262,892.84
  6. Step 6: Final answer
    x = 166,501.84

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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.