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Finding the Fourth Proportional to 272,679.62, 409,206.23 and 95,186.59

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Solution

The fourth proportional to 272,679.62, 409,206.23 and 95,186.59 is: 142,845.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,679.62 : 409,206.23 = 95,186.59 : x
  2. Step 2: Convert to fraction form
    272,679.62/409,206.23 = 95,186.59/x
  3. Step 3: Cross multiply
    272,679.62x = 409,206.23 × 95,186.59
  4. Step 4: Simplify right side
    272,679.62x = 38,950,947,362.35
  5. Step 5: Solve for x
    x = 38,950,947,362.35/272,679.62
  6. Step 6: Final answer
    x = 142,845.10

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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.