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Finding the Fourth Proportional to 253,308.58, 349,481.40 and 149,948.26

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Solution

The fourth proportional to 253,308.58, 349,481.40 and 149,948.26 is: 206,878.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,308.58 : 349,481.40 = 149,948.26 : x
  2. Step 2: Convert to fraction form
    253,308.58/349,481.40 = 149,948.26/x
  3. Step 3: Cross multiply
    253,308.58x = 349,481.40 × 149,948.26
  4. Step 4: Simplify right side
    253,308.58x = 52,404,127,832.36
  5. Step 5: Solve for x
    x = 52,404,127,832.36/253,308.58
  6. Step 6: Final answer
    x = 206,878.61

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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.