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Finding the Fourth Proportional to 269,903.70, 372,467.24 and 149,053.20

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Solution

The fourth proportional to 269,903.70, 372,467.24 and 149,053.20 is: 205,693.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,903.70 : 372,467.24 = 149,053.20 : x
  2. Step 2: Convert to fraction form
    269,903.70/372,467.24 = 149,053.20/x
  3. Step 3: Cross multiply
    269,903.70x = 372,467.24 × 149,053.20
  4. Step 4: Simplify right side
    269,903.70x = 55,517,433,271.90
  5. Step 5: Solve for x
    x = 55,517,433,271.90/269,903.70
  6. Step 6: Final answer
    x = 205,693.49

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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.