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Finding the Fourth Proportional to 75,135.56, 103,687.08 and 41,601.56

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Solution

The fourth proportional to 75,135.56, 103,687.08 and 41,601.56 is: 57,410.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,135.56 : 103,687.08 = 41,601.56 : x
  2. Step 2: Convert to fraction form
    75,135.56/103,687.08 = 41,601.56/x
  3. Step 3: Cross multiply
    75,135.56x = 103,687.08 × 41,601.56
  4. Step 4: Simplify right side
    75,135.56x = 4,313,544,279.84
  5. Step 5: Solve for x
    x = 4,313,544,279.84/75,135.56
  6. Step 6: Final answer
    x = 57,410.16

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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.