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Finding the Fourth Proportional to 80,403.50, 110,964.93 and 44,600.49

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Solution

The fourth proportional to 80,403.50, 110,964.93 and 44,600.49 is: 61,553.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,403.50 : 110,964.93 = 44,600.49 : x
  2. Step 2: Convert to fraction form
    80,403.50/110,964.93 = 44,600.49/x
  3. Step 3: Cross multiply
    80,403.50x = 110,964.93 × 44,600.49
  4. Step 4: Simplify right side
    80,403.50x = 4,949,090,250.82
  5. Step 5: Solve for x
    x = 4,949,090,250.82/80,403.50
  6. Step 6: Final answer
    x = 61,553.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.