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Finding the Fourth Proportional to 201,257.68, 277,721.96 and 110,611.60

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Solution

The fourth proportional to 201,257.68, 277,721.96 and 110,611.60 is: 152,636.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,257.68 : 277,721.96 = 110,611.60 : x
  2. Step 2: Convert to fraction form
    201,257.68/277,721.96 = 110,611.60/x
  3. Step 3: Cross multiply
    201,257.68x = 277,721.96 × 110,611.60
  4. Step 4: Simplify right side
    201,257.68x = 30,719,270,350.74
  5. Step 5: Solve for x
    x = 30,719,270,350.74/201,257.68
  6. Step 6: Final answer
    x = 152,636.51

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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.