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Finding the Fourth Proportional to 173,737.08, 260,661 and 77,659.48

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Solution

The fourth proportional to 173,737.08, 260,661 and 77,659.48 is: 116,513.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,737.08 : 260,661 = 77,659.48 : x
  2. Step 2: Convert to fraction form
    173,737.08/260,661 = 77,659.48/x
  3. Step 3: Cross multiply
    173,737.08x = 260,661 × 77,659.48
  4. Step 4: Simplify right side
    173,737.08x = 20,242,797,716.28
  5. Step 5: Solve for x
    x = 20,242,797,716.28/173,737.08
  6. Step 6: Final answer
    x = 116,513.97

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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.