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Finding the Fourth Proportional to 222,965.40, 334,448.10 and 134,491.80

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Solution

The fourth proportional to 222,965.40, 334,448.10 and 134,491.80 is: 201,737.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,965.40 : 334,448.10 = 134,491.80 : x
  2. Step 2: Convert to fraction form
    222,965.40/334,448.10 = 134,491.80/x
  3. Step 3: Cross multiply
    222,965.40x = 334,448.10 × 134,491.80
  4. Step 4: Simplify right side
    222,965.40x = 44,980,526,975.58
  5. Step 5: Solve for x
    x = 44,980,526,975.58/222,965.40
  6. Step 6: Final answer
    x = 201,737.70

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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.