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Finding the Fourth Proportional to 179,809.76, 269,631.20 and 104,951.46

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Solution

The fourth proportional to 179,809.76, 269,631.20 and 104,951.46 is: 157,378.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,809.76 : 269,631.20 = 104,951.46 : x
  2. Step 2: Convert to fraction form
    179,809.76/269,631.20 = 104,951.46/x
  3. Step 3: Cross multiply
    179,809.76x = 269,631.20 × 104,951.46
  4. Step 4: Simplify right side
    179,809.76x = 28,298,188,101.55
  5. Step 5: Solve for x
    x = 28,298,188,101.55/179,809.76
  6. Step 6: Final answer
    x = 157,378.49

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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.