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Finding the Fourth Proportional to 222,627.86, 333,972.98 and 72,879.92

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Solution

The fourth proportional to 222,627.86, 333,972.98 and 72,879.92 is: 109,330.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,627.86 : 333,972.98 = 72,879.92 : x
  2. Step 2: Convert to fraction form
    222,627.86/333,972.98 = 72,879.92/x
  3. Step 3: Cross multiply
    222,627.86x = 333,972.98 × 72,879.92
  4. Step 4: Simplify right side
    222,627.86x = 24,339,922,030.30
  5. Step 5: Solve for x
    x = 24,339,922,030.30/222,627.86
  6. Step 6: Final answer
    x = 109,330.08

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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.