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Finding the Fourth Proportional to 200,962.41, 277,271.30 and 129,383.87

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Solution

The fourth proportional to 200,962.41, 277,271.30 and 129,383.87 is: 178,513.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,962.41 : 277,271.30 = 129,383.87 : x
  2. Step 2: Convert to fraction form
    200,962.41/277,271.30 = 129,383.87/x
  3. Step 3: Cross multiply
    200,962.41x = 277,271.30 × 129,383.87
  4. Step 4: Simplify right side
    200,962.41x = 35,874,432,771.03
  5. Step 5: Solve for x
    x = 35,874,432,771.03/200,962.41
  6. Step 6: Final answer
    x = 178,513.15

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.