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Finding the Fourth Proportional to 93,381.92, 140,128.46 and 34,221.74

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Solution

The fourth proportional to 93,381.92, 140,128.46 and 34,221.74 is: 51,352.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,381.92 : 140,128.46 = 34,221.74 : x
  2. Step 2: Convert to fraction form
    93,381.92/140,128.46 = 34,221.74/x
  3. Step 3: Cross multiply
    93,381.92x = 140,128.46 × 34,221.74
  4. Step 4: Simplify right side
    93,381.92x = 4,795,438,852.97
  5. Step 5: Solve for x
    x = 4,795,438,852.97/93,381.92
  6. Step 6: Final answer
    x = 51,352.97

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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.