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Finding the Fourth Proportional to 97,793.60, 146,695.20 and 51,137.60

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Solution

The fourth proportional to 97,793.60, 146,695.20 and 51,137.60 is: 76,708.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,793.60 : 146,695.20 = 51,137.60 : x
  2. Step 2: Convert to fraction form
    97,793.60/146,695.20 = 51,137.60/x
  3. Step 3: Cross multiply
    97,793.60x = 146,695.20 × 51,137.60
  4. Step 4: Simplify right side
    97,793.60x = 7,501,640,459.52
  5. Step 5: Solve for x
    x = 7,501,640,459.52/97,793.60
  6. Step 6: Final answer
    x = 76,708.91

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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.