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Finding the Fourth Proportional to 200,402.84, 276,557.76 and 136,739.27

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Solution

The fourth proportional to 200,402.84, 276,557.76 and 136,739.27 is: 188,701.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,402.84 : 276,557.76 = 136,739.27 : x
  2. Step 2: Convert to fraction form
    200,402.84/276,557.76 = 136,739.27/x
  3. Step 3: Cross multiply
    200,402.84x = 276,557.76 × 136,739.27
  4. Step 4: Simplify right side
    200,402.84x = 37,816,304,832.45
  5. Step 5: Solve for x
    x = 37,816,304,832.45/200,402.84
  6. Step 6: Final answer
    x = 188,701.45

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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.