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Finding the Fourth Proportional to 183,878.70, 275,850.45 and 65,618.70

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Solution

The fourth proportional to 183,878.70, 275,850.45 and 65,618.70 is: 98,439.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,878.70 : 275,850.45 = 65,618.70 : x
  2. Step 2: Convert to fraction form
    183,878.70/275,850.45 = 65,618.70/x
  3. Step 3: Cross multiply
    183,878.70x = 275,850.45 × 65,618.70
  4. Step 4: Simplify right side
    183,878.70x = 18,100,947,923.42
  5. Step 5: Solve for x
    x = 18,100,947,923.42/183,878.70
  6. Step 6: Final answer
    x = 98,439.61

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1.5x scale

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.