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Finding the Fourth Proportional to 133,600.32, 200,402.40 and 43,642.56

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Solution

The fourth proportional to 133,600.32, 200,402.40 and 43,642.56 is: 65,464.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,600.32 : 200,402.40 = 43,642.56 : x
  2. Step 2: Convert to fraction form
    133,600.32/200,402.40 = 43,642.56/x
  3. Step 3: Cross multiply
    133,600.32x = 200,402.40 × 43,642.56
  4. Step 4: Simplify right side
    133,600.32x = 8,746,073,766.14
  5. Step 5: Solve for x
    x = 8,746,073,766.14/133,600.32
  6. Step 6: Final answer
    x = 65,464.47

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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.