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Finding the Fourth Proportional to 127,940.10, 191,910.15 and 44,823.30

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Solution

The fourth proportional to 127,940.10, 191,910.15 and 44,823.30 is: 67,234.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,940.10 : 191,910.15 = 44,823.30 : x
  2. Step 2: Convert to fraction form
    127,940.10/191,910.15 = 44,823.30/x
  3. Step 3: Cross multiply
    127,940.10x = 191,910.15 × 44,823.30
  4. Step 4: Simplify right side
    127,940.10x = 8,602,046,226.50
  5. Step 5: Solve for x
    x = 8,602,046,226.50/127,940.10
  6. Step 6: Final answer
    x = 67,234.95

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Similar ratio
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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.