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Finding the Fourth Proportional to 73,836.70, 101,859.16 and 48,331.83

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Solution

The fourth proportional to 73,836.70, 101,859.16 and 48,331.83 is: 66,674.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,836.70 : 101,859.16 = 48,331.83 : x
  2. Step 2: Convert to fraction form
    73,836.70/101,859.16 = 48,331.83/x
  3. Step 3: Cross multiply
    73,836.70x = 101,859.16 × 48,331.83
  4. Step 4: Simplify right side
    73,836.70x = 4,923,039,605.06
  5. Step 5: Solve for x
    x = 4,923,039,605.06/73,836.70
  6. Step 6: Final answer
    x = 66,674.70

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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.