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Finding the Fourth Proportional to 118,652.34, 177,754.77 and 92,228.70

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Solution

The fourth proportional to 118,652.34, 177,754.77 and 92,228.70 is: 138,169.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,652.34 : 177,754.77 = 92,228.70 : x
  2. Step 2: Convert to fraction form
    118,652.34/177,754.77 = 92,228.70/x
  3. Step 3: Cross multiply
    118,652.34x = 177,754.77 × 92,228.70
  4. Step 4: Simplify right side
    118,652.34x = 16,394,091,355.90
  5. Step 5: Solve for x
    x = 16,394,091,355.90/118,652.34
  6. Step 6: Final answer
    x = 138,169.14

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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.