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Finding the Fourth Proportional to 133,930.11, 200,895.18 and 104,370.09

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Solution

The fourth proportional to 133,930.11, 200,895.18 and 104,370.09 is: 156,555.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,930.11 : 200,895.18 = 104,370.09 : x
  2. Step 2: Convert to fraction form
    133,930.11/200,895.18 = 104,370.09/x
  3. Step 3: Cross multiply
    133,930.11x = 200,895.18 × 104,370.09
  4. Step 4: Simplify right side
    133,930.11x = 20,967,448,017.17
  5. Step 5: Solve for x
    x = 20,967,448,017.17/133,930.11
  6. Step 6: Final answer
    x = 156,555.15

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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.