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Finding the Fourth Proportional to 104,880, 144,736.85 and 59,550.78

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Solution

The fourth proportional to 104,880, 144,736.85 and 59,550.78 is: 82,181.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,880 : 144,736.85 = 59,550.78 : x
  2. Step 2: Convert to fraction form
    104,880/144,736.85 = 59,550.78/x
  3. Step 3: Cross multiply
    104,880x = 144,736.85 × 59,550.78
  4. Step 4: Simplify right side
    104,880x = 8,619,192,014.49
  5. Step 5: Solve for x
    x = 8,619,192,014.49/104,880
  6. Step 6: Final answer
    x = 82,181.46

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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.