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Finding the Fourth Proportional to 121,845.60, 182,622.60 and 62,650.80

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Solution

The fourth proportional to 121,845.60, 182,622.60 and 62,650.80 is: 93,901.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,845.60 : 182,622.60 = 62,650.80 : x
  2. Step 2: Convert to fraction form
    121,845.60/182,622.60 = 62,650.80/x
  3. Step 3: Cross multiply
    121,845.60x = 182,622.60 × 62,650.80
  4. Step 4: Simplify right side
    121,845.60x = 11,441,451,988.08
  5. Step 5: Solve for x
    x = 11,441,451,988.08/121,845.60
  6. Step 6: Final answer
    x = 93,901.23

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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.