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Finding the Fourth Proportional to 97,015.43, 145,553.52 and 61,697

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Solution

The fourth proportional to 97,015.43, 145,553.52 and 61,697 is: 92,564.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,015.43 : 145,553.52 = 61,697 : x
  2. Step 2: Convert to fraction form
    97,015.43/145,553.52 = 61,697/x
  3. Step 3: Cross multiply
    97,015.43x = 145,553.52 × 61,697
  4. Step 4: Simplify right side
    97,015.43x = 8,980,215,523.44
  5. Step 5: Solve for x
    x = 8,980,215,523.44/97,015.43
  6. Step 6: Final answer
    x = 92,564.82

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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.