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Finding the Fourth Proportional to 133,026.85, 186,704.15 and 133,026.85

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Solution

The fourth proportional to 133,026.85, 186,704.15 and 133,026.85 is: 186,704.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,026.85 : 186,704.15 = 133,026.85 : x
  2. Step 2: Convert to fraction form
    133,026.85/186,704.15 = 133,026.85/x
  3. Step 3: Cross multiply
    133,026.85x = 186,704.15 × 133,026.85
  4. Step 4: Simplify right side
    133,026.85x = 24,836,664,956.43
  5. Step 5: Solve for x
    x = 24,836,664,956.43/133,026.85
  6. Step 6: Final answer
    x = 186,704.15

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.