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Finding the Fourth Proportional to 338,093.33, 507,396.96 and 125,062.79

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Solution

The fourth proportional to 338,093.33, 507,396.96 and 125,062.79 is: 187,689.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,093.33 : 507,396.96 = 125,062.79 : x
  2. Step 2: Convert to fraction form
    338,093.33/507,396.96 = 125,062.79/x
  3. Step 3: Cross multiply
    338,093.33x = 507,396.96 × 125,062.79
  4. Step 4: Simplify right side
    338,093.33x = 63,456,476,918.13
  5. Step 5: Solve for x
    x = 63,456,476,918.13/338,093.33
  6. Step 6: Final answer
    x = 187,689.23

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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.