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Finding the Fourth Proportional to 135,925.49, 203,925.14 and 41,158.85

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Solution

The fourth proportional to 135,925.49, 203,925.14 and 41,158.85 is: 61,749.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,925.49 : 203,925.14 = 41,158.85 : x
  2. Step 2: Convert to fraction form
    135,925.49/203,925.14 = 41,158.85/x
  3. Step 3: Cross multiply
    135,925.49x = 203,925.14 × 41,158.85
  4. Step 4: Simplify right side
    135,925.49x = 8,393,323,023.07
  5. Step 5: Solve for x
    x = 8,393,323,023.07/135,925.49
  6. Step 6: Final answer
    x = 61,749.44

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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.