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Finding the Fourth Proportional to 118,230.84, 177,344.37 and 55,015.62

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Solution

The fourth proportional to 118,230.84, 177,344.37 and 55,015.62 is: 82,522.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,230.84 : 177,344.37 = 55,015.62 : x
  2. Step 2: Convert to fraction form
    118,230.84/177,344.37 = 55,015.62/x
  3. Step 3: Cross multiply
    118,230.84x = 177,344.37 × 55,015.62
  4. Step 4: Simplify right side
    118,230.84x = 9,756,710,469.06
  5. Step 5: Solve for x
    x = 9,756,710,469.06/118,230.84
  6. Step 6: Final answer
    x = 82,522.55

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1.5x scale

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.