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Finding the Fourth Proportional to 222,432.60, 333,490.41 and 104,039.40

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Solution

The fourth proportional to 222,432.60, 333,490.41 and 104,039.40 is: 155,984.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,432.60 : 333,490.41 = 104,039.40 : x
  2. Step 2: Convert to fraction form
    222,432.60/333,490.41 = 104,039.40/x
  3. Step 3: Cross multiply
    222,432.60x = 333,490.41 × 104,039.40
  4. Step 4: Simplify right side
    222,432.60x = 34,696,142,162.15
  5. Step 5: Solve for x
    x = 34,696,142,162.15/222,432.60
  6. Step 6: Final answer
    x = 155,984.97

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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.