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Finding the Fourth Proportional to 132,739.73, 199,138.73 and 97,572.77

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Solution

The fourth proportional to 132,739.73, 199,138.73 and 97,572.77 is: 146,380.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,739.73 : 199,138.73 = 97,572.77 : x
  2. Step 2: Convert to fraction form
    132,739.73/199,138.73 = 97,572.77/x
  3. Step 3: Cross multiply
    132,739.73x = 199,138.73 × 97,572.77
  4. Step 4: Simplify right side
    132,739.73x = 19,430,517,500.38
  5. Step 5: Solve for x
    x = 19,430,517,500.38/132,739.73
  6. Step 6: Final answer
    x = 146,380.57

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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.