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Finding the Fourth Proportional to 185,872.60, 278,808.90 and 133,773.40

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Solution

The fourth proportional to 185,872.60, 278,808.90 and 133,773.40 is: 200,660.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,872.60 : 278,808.90 = 133,773.40 : x
  2. Step 2: Convert to fraction form
    185,872.60/278,808.90 = 133,773.40/x
  3. Step 3: Cross multiply
    185,872.60x = 278,808.90 × 133,773.40
  4. Step 4: Simplify right side
    185,872.60x = 37,297,214,503.26
  5. Step 5: Solve for x
    x = 37,297,214,503.26/185,872.60
  6. Step 6: Final answer
    x = 200,660.10

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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.