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Finding the Fourth Proportional to 149,701.60, 224,611.80 and 60,961.60

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Solution

The fourth proportional to 149,701.60, 224,611.80 and 60,961.60 is: 91,466.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,701.60 : 224,611.80 = 60,961.60 : x
  2. Step 2: Convert to fraction form
    149,701.60/224,611.80 = 60,961.60/x
  3. Step 3: Cross multiply
    149,701.60x = 224,611.80 × 60,961.60
  4. Step 4: Simplify right side
    149,701.60x = 13,692,694,706.88
  5. Step 5: Solve for x
    x = 13,692,694,706.88/149,701.60
  6. Step 6: Final answer
    x = 91,466.59

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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.