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Finding the Fourth Proportional to 103,367.70, 155,051.55 and 95,073.30

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Solution

The fourth proportional to 103,367.70, 155,051.55 and 95,073.30 is: 142,609.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,367.70 : 155,051.55 = 95,073.30 : x
  2. Step 2: Convert to fraction form
    103,367.70/155,051.55 = 95,073.30/x
  3. Step 3: Cross multiply
    103,367.70x = 155,051.55 × 95,073.30
  4. Step 4: Simplify right side
    103,367.70x = 14,741,262,528.62
  5. Step 5: Solve for x
    x = 14,741,262,528.62/103,367.70
  6. Step 6: Final answer
    x = 142,609.95

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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.