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Finding the Fourth Proportional to 118,373.92, 177,297.60 and 109,154.56

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Solution

The fourth proportional to 118,373.92, 177,297.60 and 109,154.56 is: 163,489.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,373.92 : 177,297.60 = 109,154.56 : x
  2. Step 2: Convert to fraction form
    118,373.92/177,297.60 = 109,154.56/x
  3. Step 3: Cross multiply
    118,373.92x = 177,297.60 × 109,154.56
  4. Step 4: Simplify right side
    118,373.92x = 19,352,841,517.06
  5. Step 5: Solve for x
    x = 19,352,841,517.06/118,373.92
  6. Step 6: Final answer
    x = 163,489.07

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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.