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Finding the Fourth Proportional to 252,974.33, 349,104.90 and 139,797.08

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Solution

The fourth proportional to 252,974.33, 349,104.90 and 139,797.08 is: 192,920.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,974.33 : 349,104.90 = 139,797.08 : x
  2. Step 2: Convert to fraction form
    252,974.33/349,104.90 = 139,797.08/x
  3. Step 3: Cross multiply
    252,974.33x = 349,104.90 × 139,797.08
  4. Step 4: Simplify right side
    252,974.33x = 48,803,845,633.69
  5. Step 5: Solve for x
    x = 48,803,845,633.69/252,974.33
  6. Step 6: Final answer
    x = 192,920.15

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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.