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Finding the Fourth Proportional to 60,364.60, 90,611.70 and 34,120.60

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Solution

The fourth proportional to 60,364.60, 90,611.70 and 34,120.60 is: 51,217.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,364.60 : 90,611.70 = 34,120.60 : x
  2. Step 2: Convert to fraction form
    60,364.60/90,611.70 = 34,120.60/x
  3. Step 3: Cross multiply
    60,364.60x = 90,611.70 × 34,120.60
  4. Step 4: Simplify right side
    60,364.60x = 3,091,725,571.02
  5. Step 5: Solve for x
    x = 3,091,725,571.02/60,364.60
  6. Step 6: Final answer
    x = 51,217.53

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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.