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Finding the Fourth Proportional to 222,376.79, 333,618.30 and 72,617.37

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Solution

The fourth proportional to 222,376.79, 333,618.30 and 72,617.37 is: 108,943.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,376.79 : 333,618.30 = 72,617.37 : x
  2. Step 2: Convert to fraction form
    222,376.79/333,618.30 = 72,617.37/x
  3. Step 3: Cross multiply
    222,376.79x = 333,618.30 × 72,617.37
  4. Step 4: Simplify right side
    222,376.79x = 24,226,483,529.87
  5. Step 5: Solve for x
    x = 24,226,483,529.87/222,376.79
  6. Step 6: Final answer
    x = 108,943.40

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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.