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Finding the Fourth Proportional to 222,693.24, 333,936.18 and 129,225.72

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Solution

The fourth proportional to 222,693.24, 333,936.18 and 129,225.72 is: 193,778.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,693.24 : 333,936.18 = 129,225.72 : x
  2. Step 2: Convert to fraction form
    222,693.24/333,936.18 = 129,225.72/x
  3. Step 3: Cross multiply
    222,693.24x = 333,936.18 × 129,225.72
  4. Step 4: Simplify right side
    222,693.24x = 43,153,143,294.55
  5. Step 5: Solve for x
    x = 43,153,143,294.55/222,693.24
  6. Step 6: Final answer
    x = 193,778.42

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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.