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Finding the Fourth Proportional to 133,601.40, 200,402.10 and 124,788.60

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Solution

The fourth proportional to 133,601.40, 200,402.10 and 124,788.60 is: 187,182.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,601.40 : 200,402.10 = 124,788.60 : x
  2. Step 2: Convert to fraction form
    133,601.40/200,402.10 = 124,788.60/x
  3. Step 3: Cross multiply
    133,601.40x = 200,402.10 × 124,788.60
  4. Step 4: Simplify right side
    133,601.40x = 25,007,897,496.06
  5. Step 5: Solve for x
    x = 25,007,897,496.06/133,601.40
  6. Step 6: Final answer
    x = 187,182.90

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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.