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Finding the Fourth Proportional to 133,403.77, 200,105.66 and 63,244.81

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Solution

The fourth proportional to 133,403.77, 200,105.66 and 63,244.81 is: 94,867.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,403.77 : 200,105.66 = 63,244.81 : x
  2. Step 2: Convert to fraction form
    133,403.77/200,105.66 = 63,244.81/x
  3. Step 3: Cross multiply
    133,403.77x = 200,105.66 × 63,244.81
  4. Step 4: Simplify right side
    133,403.77x = 12,655,644,446.62
  5. Step 5: Solve for x
    x = 12,655,644,446.62/133,403.77
  6. Step 6: Final answer
    x = 94,867.22

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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.