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Finding the Fourth Proportional to 134,087.60, 200,958.60 and 102,767.60

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Solution

The fourth proportional to 134,087.60, 200,958.60 and 102,767.60 is: 154,018.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,087.60 : 200,958.60 = 102,767.60 : x
  2. Step 2: Convert to fraction form
    134,087.60/200,958.60 = 102,767.60/x
  3. Step 3: Cross multiply
    134,087.60x = 200,958.60 × 102,767.60
  4. Step 4: Simplify right side
    134,087.60x = 20,652,033,021.36
  5. Step 5: Solve for x
    x = 20,652,033,021.36/134,087.60
  6. Step 6: Final answer
    x = 154,018.96

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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.