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Finding the Fourth Proportional to 222,520.57, 333,812.66 and 68,659.58

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Solution

The fourth proportional to 222,520.57, 333,812.66 and 68,659.58 is: 102,999.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,520.57 : 333,812.66 = 68,659.58 : x
  2. Step 2: Convert to fraction form
    222,520.57/333,812.66 = 68,659.58/x
  3. Step 3: Cross multiply
    222,520.57x = 333,812.66 × 68,659.58
  4. Step 4: Simplify right side
    222,520.57x = 22,919,437,525.52
  5. Step 5: Solve for x
    x = 22,919,437,525.52/222,520.57
  6. Step 6: Final answer
    x = 102,999.19

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1.5x scale

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.