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Finding the Fourth Proportional to 133,159.05, 199,739.34 and 44,412.30

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Solution

The fourth proportional to 133,159.05, 199,739.34 and 44,412.30 is: 66,618.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,159.05 : 199,739.34 = 44,412.30 : x
  2. Step 2: Convert to fraction form
    133,159.05/199,739.34 = 44,412.30/x
  3. Step 3: Cross multiply
    133,159.05x = 199,739.34 × 44,412.30
  4. Step 4: Simplify right side
    133,159.05x = 8,870,883,489.88
  5. Step 5: Solve for x
    x = 8,870,883,489.88/133,159.05
  6. Step 6: Final answer
    x = 66,618.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.