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Finding the Fourth Proportional to 174,422.82, 240,729.77 and 106,479.31

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Solution

The fourth proportional to 174,422.82, 240,729.77 and 106,479.31 is: 146,957.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,422.82 : 240,729.77 = 106,479.31 : x
  2. Step 2: Convert to fraction form
    174,422.82/240,729.77 = 106,479.31/x
  3. Step 3: Cross multiply
    174,422.82x = 240,729.77 × 106,479.31
  4. Step 4: Simplify right side
    174,422.82x = 25,632,739,921.80
  5. Step 5: Solve for x
    x = 25,632,739,921.80/174,422.82
  6. Step 6: Final answer
    x = 146,957.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.