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Finding the Fourth Proportional to 222,381.29, 333,625.05 and 72,621.87

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Solution

The fourth proportional to 222,381.29, 333,625.05 and 72,621.87 is: 108,950.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,381.29 : 333,625.05 = 72,621.87 : x
  2. Step 2: Convert to fraction form
    222,381.29/333,625.05 = 72,621.87/x
  3. Step 3: Cross multiply
    222,381.29x = 333,625.05 × 72,621.87
  4. Step 4: Simplify right side
    222,381.29x = 24,228,475,009.84
  5. Step 5: Solve for x
    x = 24,228,475,009.84/222,381.29
  6. Step 6: Final answer
    x = 108,950.15

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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.