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Finding the Fourth Proportional to 133,397.68, 200,107.05 and 44,651.51

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Solution

The fourth proportional to 133,397.68, 200,107.05 and 44,651.51 is: 66,980.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,397.68 : 200,107.05 = 44,651.51 : x
  2. Step 2: Convert to fraction form
    133,397.68/200,107.05 = 44,651.51/x
  3. Step 3: Cross multiply
    133,397.68x = 200,107.05 × 44,651.51
  4. Step 4: Simplify right side
    133,397.68x = 8,935,081,944.15
  5. Step 5: Solve for x
    x = 8,935,081,944.15/133,397.68
  6. Step 6: Final answer
    x = 66,980.79

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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.