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Finding the Fourth Proportional to 222,178.76, 333,189.33 and 79,985.86

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Solution

The fourth proportional to 222,178.76, 333,189.33 and 79,985.86 is: 119,950.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,178.76 : 333,189.33 = 79,985.86 : x
  2. Step 2: Convert to fraction form
    222,178.76/333,189.33 = 79,985.86/x
  3. Step 3: Cross multiply
    222,178.76x = 333,189.33 × 79,985.86
  4. Step 4: Simplify right side
    222,178.76x = 26,650,434,811.64
  5. Step 5: Solve for x
    x = 26,650,434,811.64/222,178.76
  6. Step 6: Final answer
    x = 119,950.41

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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.