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Finding the Fourth Proportional to 222,890.12, 334,337.34 and 56,678.12

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Solution

The fourth proportional to 222,890.12, 334,337.34 and 56,678.12 is: 85,017.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,890.12 : 334,337.34 = 56,678.12 : x
  2. Step 2: Convert to fraction form
    222,890.12/334,337.34 = 56,678.12/x
  3. Step 3: Cross multiply
    222,890.12x = 334,337.34 × 56,678.12
  4. Step 4: Simplify right side
    222,890.12x = 18,949,611,877.00
  5. Step 5: Solve for x
    x = 18,949,611,877.00/222,890.12
  6. Step 6: Final answer
    x = 85,017.73

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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.