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Finding the Fourth Proportional to 134,269, 201,432.84 and 51,163

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Solution

The fourth proportional to 134,269, 201,432.84 and 51,163 is: 76,755.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,269 : 201,432.84 = 51,163 : x
  2. Step 2: Convert to fraction form
    134,269/201,432.84 = 51,163/x
  3. Step 3: Cross multiply
    134,269x = 201,432.84 × 51,163
  4. Step 4: Simplify right side
    134,269x = 10,305,908,392.92
  5. Step 5: Solve for x
    x = 10,305,908,392.92/134,269
  6. Step 6: Final answer
    x = 76,755.68

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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.