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Finding the Fourth Proportional to 88,150.60, 132,420.30 and 84,845.80

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Solution

The fourth proportional to 88,150.60, 132,420.30 and 84,845.80 is: 127,455.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,150.60 : 132,420.30 = 84,845.80 : x
  2. Step 2: Convert to fraction form
    88,150.60/132,420.30 = 84,845.80/x
  3. Step 3: Cross multiply
    88,150.60x = 132,420.30 × 84,845.80
  4. Step 4: Simplify right side
    88,150.60x = 11,235,306,289.74
  5. Step 5: Solve for x
    x = 11,235,306,289.74/88,150.60
  6. Step 6: Final answer
    x = 127,455.81

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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.