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Finding the Fourth Proportional to 170,603.49, 255,944.62 and 50,657.77

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Solution

The fourth proportional to 170,603.49, 255,944.62 and 50,657.77 is: 75,998.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,603.49 : 255,944.62 = 50,657.77 : x
  2. Step 2: Convert to fraction form
    170,603.49/255,944.62 = 50,657.77/x
  3. Step 3: Cross multiply
    170,603.49x = 255,944.62 × 50,657.77
  4. Step 4: Simplify right side
    170,603.49x = 12,965,583,439.41
  5. Step 5: Solve for x
    x = 12,965,583,439.41/170,603.49
  6. Step 6: Final answer
    x = 75,998.35

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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.