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Finding the Fourth Proportional to 70,593.95, 105,268.19 and 60,796.19

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Solution

The fourth proportional to 70,593.95, 105,268.19 and 60,796.19 is: 90,657.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,593.95 : 105,268.19 = 60,796.19 : x
  2. Step 2: Convert to fraction form
    70,593.95/105,268.19 = 60,796.19/x
  3. Step 3: Cross multiply
    70,593.95x = 105,268.19 × 60,796.19
  4. Step 4: Simplify right side
    70,593.95x = 6,399,904,049.87
  5. Step 5: Solve for x
    x = 6,399,904,049.87/70,593.95
  6. Step 6: Final answer
    x = 90,657.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.