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Finding the Fourth Proportional to 200,484.97, 276,665.03 and 109,836.52

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Solution

The fourth proportional to 200,484.97, 276,665.03 and 109,836.52 is: 151,572.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,484.97 : 276,665.03 = 109,836.52 : x
  2. Step 2: Convert to fraction form
    200,484.97/276,665.03 = 109,836.52/x
  3. Step 3: Cross multiply
    200,484.97x = 276,665.03 × 109,836.52
  4. Step 4: Simplify right side
    200,484.97x = 30,387,923,551.71
  5. Step 5: Solve for x
    x = 30,387,923,551.71/200,484.97
  6. Step 6: Final answer
    x = 151,572.08

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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.