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Finding the Fourth Proportional to 185,241.48, 255,645 and 113,611.74

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Solution

The fourth proportional to 185,241.48, 255,645 and 113,611.74 is: 156,791.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,241.48 : 255,645 = 113,611.74 : x
  2. Step 2: Convert to fraction form
    185,241.48/255,645 = 113,611.74/x
  3. Step 3: Cross multiply
    185,241.48x = 255,645 × 113,611.74
  4. Step 4: Simplify right side
    185,241.48x = 29,044,273,272.30
  5. Step 5: Solve for x
    x = 29,044,273,272.30/185,241.48
  6. Step 6: Final answer
    x = 156,791.41

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1.5x scale

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.