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Finding the Fourth Proportional to 127,479, 191,218.77 and 44,373

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Solution

The fourth proportional to 127,479, 191,218.77 and 44,373 is: 66,559.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,479 : 191,218.77 = 44,373 : x
  2. Step 2: Convert to fraction form
    127,479/191,218.77 = 44,373/x
  3. Step 3: Cross multiply
    127,479x = 191,218.77 × 44,373
  4. Step 4: Simplify right side
    127,479x = 8,484,950,481.21
  5. Step 5: Solve for x
    x = 8,484,950,481.21/127,479
  6. Step 6: Final answer
    x = 66,559.59

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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.