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Finding the Fourth Proportional to 224,611.76, 309,991.41 and 127,839.14

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Solution

The fourth proportional to 224,611.76, 309,991.41 and 127,839.14 is: 176,433.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,611.76 : 309,991.41 = 127,839.14 : x
  2. Step 2: Convert to fraction form
    224,611.76/309,991.41 = 127,839.14/x
  3. Step 3: Cross multiply
    224,611.76x = 309,991.41 × 127,839.14
  4. Step 4: Simplify right side
    224,611.76x = 39,629,035,261.79
  5. Step 5: Solve for x
    x = 39,629,035,261.79/224,611.76
  6. Step 6: Final answer
    x = 176,433.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.