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Finding the Fourth Proportional to 273,171.03, 409,817.43 and 83,658.03

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Solution

The fourth proportional to 273,171.03, 409,817.43 and 83,658.03 is: 125,505.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,171.03 : 409,817.43 = 83,658.03 : x
  2. Step 2: Convert to fraction form
    273,171.03/409,817.43 = 83,658.03/x
  3. Step 3: Cross multiply
    273,171.03x = 409,817.43 × 83,658.03
  4. Step 4: Simplify right side
    273,171.03x = 34,284,518,853.46
  5. Step 5: Solve for x
    x = 34,284,518,853.46/273,171.03
  6. Step 6: Final answer
    x = 125,505.69

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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.