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Finding the Fourth Proportional to 222,125.70, 333,237.15 and 72,372.90

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Solution

The fourth proportional to 222,125.70, 333,237.15 and 72,372.90 is: 108,575.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,125.70 : 333,237.15 = 72,372.90 : x
  2. Step 2: Convert to fraction form
    222,125.70/333,237.15 = 72,372.90/x
  3. Step 3: Cross multiply
    222,125.70x = 333,237.15 × 72,372.90
  4. Step 4: Simplify right side
    222,125.70x = 24,117,338,933.24
  5. Step 5: Solve for x
    x = 24,117,338,933.24/222,125.70
  6. Step 6: Final answer
    x = 108,575.18

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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.