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Finding the Fourth Proportional to 115,410.56, 173,123.12 and 48,841.92

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Solution

The fourth proportional to 115,410.56, 173,123.12 and 48,841.92 is: 73,265.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,410.56 : 173,123.12 = 48,841.92 : x
  2. Step 2: Convert to fraction form
    115,410.56/173,123.12 = 48,841.92/x
  3. Step 3: Cross multiply
    115,410.56x = 173,123.12 × 48,841.92
  4. Step 4: Simplify right side
    115,410.56x = 8,455,665,699.30
  5. Step 5: Solve for x
    x = 8,455,665,699.30/115,410.56
  6. Step 6: Final answer
    x = 73,265.97

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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.