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Finding the Fourth Proportional to 127,616, 191,425.62 and 44,510

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Solution

The fourth proportional to 127,616, 191,425.62 and 44,510 is: 66,765.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,616 : 191,425.62 = 44,510 : x
  2. Step 2: Convert to fraction form
    127,616/191,425.62 = 44,510/x
  3. Step 3: Cross multiply
    127,616x = 191,425.62 × 44,510
  4. Step 4: Simplify right side
    127,616x = 8,520,354,346.20
  5. Step 5: Solve for x
    x = 8,520,354,346.20/127,616
  6. Step 6: Final answer
    x = 66,765.57

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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.