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Finding the Fourth Proportional to 110,245.50, 152,138.79 and 59,944.50

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Solution

The fourth proportional to 110,245.50, 152,138.79 and 59,944.50 is: 82,723.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,245.50 : 152,138.79 = 59,944.50 : x
  2. Step 2: Convert to fraction form
    110,245.50/152,138.79 = 59,944.50/x
  3. Step 3: Cross multiply
    110,245.50x = 152,138.79 × 59,944.50
  4. Step 4: Simplify right side
    110,245.50x = 9,119,883,697.16
  5. Step 5: Solve for x
    x = 9,119,883,697.16/110,245.50
  6. Step 6: Final answer
    x = 82,723.41

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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.