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Finding the Fourth Proportional to 222,890.68, 334,334.84 and 54,411.89

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Solution

The fourth proportional to 222,890.68, 334,334.84 and 54,411.89 is: 81,617.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,890.68 : 334,334.84 = 54,411.89 : x
  2. Step 2: Convert to fraction form
    222,890.68/334,334.84 = 54,411.89/x
  3. Step 3: Cross multiply
    222,890.68x = 334,334.84 × 54,411.89
  4. Step 4: Simplify right side
    222,890.68x = 18,191,791,509.11
  5. Step 5: Solve for x
    x = 18,191,791,509.11/222,890.68
  6. Step 6: Final answer
    x = 81,617.55

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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.