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Finding the Fourth Proportional to 133,066.40, 199,631.49 and 44,320.70

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Solution

The fourth proportional to 133,066.40, 199,631.49 and 44,320.70 is: 66,491.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,066.40 : 199,631.49 = 44,320.70 : x
  2. Step 2: Convert to fraction form
    133,066.40/199,631.49 = 44,320.70/x
  3. Step 3: Cross multiply
    133,066.40x = 199,631.49 × 44,320.70
  4. Step 4: Simplify right side
    133,066.40x = 8,847,807,378.84
  5. Step 5: Solve for x
    x = 8,847,807,378.84/133,066.40
  6. Step 6: Final answer
    x = 66,491.67

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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.