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Finding the Fourth Proportional to 183,372.38, 275,035.20 and 70,975.70

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Solution

The fourth proportional to 183,372.38, 275,035.20 and 70,975.70 is: 106,454.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,372.38 : 275,035.20 = 70,975.70 : x
  2. Step 2: Convert to fraction form
    183,372.38/275,035.20 = 70,975.70/x
  3. Step 3: Cross multiply
    183,372.38x = 275,035.20 × 70,975.70
  4. Step 4: Simplify right side
    183,372.38x = 19,520,816,798.39
  5. Step 5: Solve for x
    x = 19,520,816,798.39/183,372.38
  6. Step 6: Final answer
    x = 106,454.51

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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.