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Finding the Fourth Proportional to 107,687.16, 148,608.29 and 59,939.49

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Solution

The fourth proportional to 107,687.16, 148,608.29 and 59,939.49 is: 82,716.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,687.16 : 148,608.29 = 59,939.49 : x
  2. Step 2: Convert to fraction form
    107,687.16/148,608.29 = 59,939.49/x
  3. Step 3: Cross multiply
    107,687.16x = 148,608.29 × 59,939.49
  4. Step 4: Simplify right side
    107,687.16x = 8,907,504,069.63
  5. Step 5: Solve for x
    x = 8,907,504,069.63/107,687.16
  6. Step 6: Final answer
    x = 82,716.49

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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.