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Finding the Fourth Proportional to 173,543.60, 260,463.18 and 123,745.70

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Solution

The fourth proportional to 173,543.60, 260,463.18 and 123,745.70 is: 185,723.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,543.60 : 260,463.18 = 123,745.70 : x
  2. Step 2: Convert to fraction form
    173,543.60/260,463.18 = 123,745.70/x
  3. Step 3: Cross multiply
    173,543.60x = 260,463.18 × 123,745.70
  4. Step 4: Simplify right side
    173,543.60x = 32,231,198,533.33
  5. Step 5: Solve for x
    x = 32,231,198,533.33/173,543.60
  6. Step 6: Final answer
    x = 185,723.92

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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.