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Finding the Fourth Proportional to 208,372.49, 312,577.14 and 58,614.02

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Solution

The fourth proportional to 208,372.49, 312,577.14 and 58,614.02 is: 87,926.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,372.49 : 312,577.14 = 58,614.02 : x
  2. Step 2: Convert to fraction form
    208,372.49/312,577.14 = 58,614.02/x
  3. Step 3: Cross multiply
    208,372.49x = 312,577.14 × 58,614.02
  4. Step 4: Simplify right side
    208,372.49x = 18,321,401,172.62
  5. Step 5: Solve for x
    x = 18,321,401,172.62/208,372.49
  6. Step 6: Final answer
    x = 87,926.20

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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.