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Finding the Fourth Proportional to 133,052.80, 199,512.60 and 44,275.36

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Solution

The fourth proportional to 133,052.80, 199,512.60 and 44,275.36 is: 66,390.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,052.80 : 199,512.60 = 44,275.36 : x
  2. Step 2: Convert to fraction form
    133,052.80/199,512.60 = 44,275.36/x
  3. Step 3: Cross multiply
    133,052.80x = 199,512.60 × 44,275.36
  4. Step 4: Simplify right side
    133,052.80x = 8,833,492,189.54
  5. Step 5: Solve for x
    x = 8,833,492,189.54/133,052.80
  6. Step 6: Final answer
    x = 66,390.88

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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.