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Finding the Fourth Proportional to 200,756.01, 277,066.43 and 120,183.51

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Solution

The fourth proportional to 200,756.01, 277,066.43 and 120,183.51 is: 165,867.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,756.01 : 277,066.43 = 120,183.51 : x
  2. Step 2: Convert to fraction form
    200,756.01/277,066.43 = 120,183.51/x
  3. Step 3: Cross multiply
    200,756.01x = 277,066.43 × 120,183.51
  4. Step 4: Simplify right side
    200,756.01x = 33,298,816,060.57
  5. Step 5: Solve for x
    x = 33,298,816,060.57/200,756.01
  6. Step 6: Final answer
    x = 165,867.09

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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.