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Finding the Fourth Proportional to 220,234.50, 303,923.97 and 119,632.50

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Solution

The fourth proportional to 220,234.50, 303,923.97 and 119,632.50 is: 165,093.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,234.50 : 303,923.97 = 119,632.50 : x
  2. Step 2: Convert to fraction form
    220,234.50/303,923.97 = 119,632.50/x
  3. Step 3: Cross multiply
    220,234.50x = 303,923.97 × 119,632.50
  4. Step 4: Simplify right side
    220,234.50x = 36,359,184,341.03
  5. Step 5: Solve for x
    x = 36,359,184,341.03/220,234.50
  6. Step 6: Final answer
    x = 165,093.05

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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.