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Finding the Fourth Proportional to 93,900.94, 140,906.76 and 34,778.12

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Solution

The fourth proportional to 93,900.94, 140,906.76 and 34,778.12 is: 52,187.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,900.94 : 140,906.76 = 34,778.12 : x
  2. Step 2: Convert to fraction form
    93,900.94/140,906.76 = 34,778.12/x
  3. Step 3: Cross multiply
    93,900.94x = 140,906.76 × 34,778.12
  4. Step 4: Simplify right side
    93,900.94x = 4,900,472,560.36
  5. Step 5: Solve for x
    x = 4,900,472,560.36/93,900.94
  6. Step 6: Final answer
    x = 52,187.69

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1.5x scale

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.