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Finding the Fourth Proportional to 133,265.28, 199,830 and 44,486.88

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Solution

The fourth proportional to 133,265.28, 199,830 and 44,486.88 is: 66,707.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,265.28 : 199,830 = 44,486.88 : x
  2. Step 2: Convert to fraction form
    133,265.28/199,830 = 44,486.88/x
  3. Step 3: Cross multiply
    133,265.28x = 199,830 × 44,486.88
  4. Step 4: Simplify right side
    133,265.28x = 8,889,813,230.40
  5. Step 5: Solve for x
    x = 8,889,813,230.40/133,265.28
  6. Step 6: Final answer
    x = 66,707.65

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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.