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Finding the Fourth Proportional to 123,884.87, 185,816.37 and 44,999.78

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Solution

The fourth proportional to 123,884.87, 185,816.37 and 44,999.78 is: 67,495.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,884.87 : 185,816.37 = 44,999.78 : x
  2. Step 2: Convert to fraction form
    123,884.87/185,816.37 = 44,999.78/x
  3. Step 3: Cross multiply
    123,884.87x = 185,816.37 × 44,999.78
  4. Step 4: Simplify right side
    123,884.87x = 8,361,696,620.08
  5. Step 5: Solve for x
    x = 8,361,696,620.08/123,884.87
  6. Step 6: Final answer
    x = 67,495.70

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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.