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Finding the Fourth Proportional to 222,710.06, 334,084.19 and 72,949.74

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Solution

The fourth proportional to 222,710.06, 334,084.19 and 72,949.74 is: 109,430.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,710.06 : 334,084.19 = 72,949.74 : x
  2. Step 2: Convert to fraction form
    222,710.06/334,084.19 = 72,949.74/x
  3. Step 3: Cross multiply
    222,710.06x = 334,084.19 × 72,949.74
  4. Step 4: Simplify right side
    222,710.06x = 24,371,354,433.86
  5. Step 5: Solve for x
    x = 24,371,354,433.86/222,710.06
  6. Step 6: Final answer
    x = 109,430.87

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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.