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Finding the Fourth Proportional to 224,158.68, 336,071.94 and 135,391.43

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Solution

The fourth proportional to 224,158.68, 336,071.94 and 135,391.43 is: 202,986.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,158.68 : 336,071.94 = 135,391.43 : x
  2. Step 2: Convert to fraction form
    224,158.68/336,071.94 = 135,391.43/x
  3. Step 3: Cross multiply
    224,158.68x = 336,071.94 × 135,391.43
  4. Step 4: Simplify right side
    224,158.68x = 45,501,260,539.47
  5. Step 5: Solve for x
    x = 45,501,260,539.47/224,158.68
  6. Step 6: Final answer
    x = 202,986.83

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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.