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Finding the Fourth Proportional to 222,122.40, 333,183.32 and 72,362.46

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Solution

The fourth proportional to 222,122.40, 333,183.32 and 72,362.46 is: 108,543.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,122.40 : 333,183.32 = 72,362.46 : x
  2. Step 2: Convert to fraction form
    222,122.40/333,183.32 = 72,362.46/x
  3. Step 3: Cross multiply
    222,122.40x = 333,183.32 × 72,362.46
  4. Step 4: Simplify right side
    222,122.40x = 24,109,966,232.19
  5. Step 5: Solve for x
    x = 24,109,966,232.19/222,122.40
  6. Step 6: Final answer
    x = 108,543.60

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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.