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Finding the Fourth Proportional to 135,470.73, 203,132.03 and 107,570.01

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Solution

The fourth proportional to 135,470.73, 203,132.03 and 107,570.01 is: 161,296.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,470.73 : 203,132.03 = 107,570.01 : x
  2. Step 2: Convert to fraction form
    135,470.73/203,132.03 = 107,570.01/x
  3. Step 3: Cross multiply
    135,470.73x = 203,132.03 × 107,570.01
  4. Step 4: Simplify right side
    135,470.73x = 21,850,913,960.57
  5. Step 5: Solve for x
    x = 21,850,913,960.57/135,470.73
  6. Step 6: Final answer
    x = 161,296.20

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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.