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Finding the Fourth Proportional to 134,081.60, 200,949.60 and 102,761.60

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Solution

The fourth proportional to 134,081.60, 200,949.60 and 102,761.60 is: 154,009.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,081.60 : 200,949.60 = 102,761.60 : x
  2. Step 2: Convert to fraction form
    134,081.60/200,949.60 = 102,761.60/x
  3. Step 3: Cross multiply
    134,081.60x = 200,949.60 × 102,761.60
  4. Step 4: Simplify right side
    134,081.60x = 20,649,902,415.36
  5. Step 5: Solve for x
    x = 20,649,902,415.36/134,081.60
  6. Step 6: Final answer
    x = 154,009.96

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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.