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Finding the Fourth Proportional to 255,378.92, 352,057.70 and 179,692.52

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Solution

The fourth proportional to 255,378.92, 352,057.70 and 179,692.52 is: 247,718.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,378.92 : 352,057.70 = 179,692.52 : x
  2. Step 2: Convert to fraction form
    255,378.92/352,057.70 = 179,692.52/x
  3. Step 3: Cross multiply
    255,378.92x = 352,057.70 × 179,692.52
  4. Step 4: Simplify right side
    255,378.92x = 63,262,135,298.40
  5. Step 5: Solve for x
    x = 63,262,135,298.40/255,378.92
  6. Step 6: Final answer
    x = 247,718.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.