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Finding the Fourth Proportional to 222,639.48, 333,405.27 and 155,766.51

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Solution

The fourth proportional to 222,639.48, 333,405.27 and 155,766.51 is: 233,262.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,639.48 : 333,405.27 = 155,766.51 : x
  2. Step 2: Convert to fraction form
    222,639.48/333,405.27 = 155,766.51/x
  3. Step 3: Cross multiply
    222,639.48x = 333,405.27 × 155,766.51
  4. Step 4: Simplify right side
    222,639.48x = 51,933,375,323.51
  5. Step 5: Solve for x
    x = 51,933,375,323.51/222,639.48
  6. Step 6: Final answer
    x = 233,262.20

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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.