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Finding the Fourth Proportional to 73,178.56, 100,944.30 and 44,086.72

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Solution

The fourth proportional to 73,178.56, 100,944.30 and 44,086.72 is: 60,814.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,178.56 : 100,944.30 = 44,086.72 : x
  2. Step 2: Convert to fraction form
    73,178.56/100,944.30 = 44,086.72/x
  3. Step 3: Cross multiply
    73,178.56x = 100,944.30 × 44,086.72
  4. Step 4: Simplify right side
    73,178.56x = 4,450,303,089.70
  5. Step 5: Solve for x
    x = 4,450,303,089.70/73,178.56
  6. Step 6: Final answer
    x = 60,814.30

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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.