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Finding the Fourth Proportional to 133,230.49, 199,487.62 and 101,489.35

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Solution

The fourth proportional to 133,230.49, 199,487.62 and 101,489.35 is: 151,961.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,230.49 : 199,487.62 = 101,489.35 : x
  2. Step 2: Convert to fraction form
    133,230.49/199,487.62 = 101,489.35/x
  3. Step 3: Cross multiply
    133,230.49x = 199,487.62 × 101,489.35
  4. Step 4: Simplify right side
    133,230.49x = 20,245,868,886.85
  5. Step 5: Solve for x
    x = 20,245,868,886.85/133,230.49
  6. Step 6: Final answer
    x = 151,961.23

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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.