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Finding the Fourth Proportional to 183,402.70, 275,104.05 and 103,686.55

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Solution

The fourth proportional to 183,402.70, 275,104.05 and 103,686.55 is: 155,529.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,402.70 : 275,104.05 = 103,686.55 : x
  2. Step 2: Convert to fraction form
    183,402.70/275,104.05 = 103,686.55/x
  3. Step 3: Cross multiply
    183,402.70x = 275,104.05 × 103,686.55
  4. Step 4: Simplify right side
    183,402.70x = 28,524,589,835.53
  5. Step 5: Solve for x
    x = 28,524,589,835.53/183,402.70
  6. Step 6: Final answer
    x = 155,529.83

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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.