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Finding the Fourth Proportional to 93,951.55, 140,917.60 and 88,469.47

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Solution

The fourth proportional to 93,951.55, 140,917.60 and 88,469.47 is: 132,695.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,951.55 : 140,917.60 = 88,469.47 : x
  2. Step 2: Convert to fraction form
    93,951.55/140,917.60 = 88,469.47/x
  3. Step 3: Cross multiply
    93,951.55x = 140,917.60 × 88,469.47
  4. Step 4: Simplify right side
    93,951.55x = 12,466,905,385.67
  5. Step 5: Solve for x
    x = 12,466,905,385.67/93,951.55
  6. Step 6: Final answer
    x = 132,695.05

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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.