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Finding the Fourth Proportional to 254,223.97, 350,828.11 and 139,504.53

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Solution

The fourth proportional to 254,223.97, 350,828.11 and 139,504.53 is: 192,515.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,223.97 : 350,828.11 = 139,504.53 : x
  2. Step 2: Convert to fraction form
    254,223.97/350,828.11 = 139,504.53/x
  3. Step 3: Cross multiply
    254,223.97x = 350,828.11 × 139,504.53
  4. Step 4: Simplify right side
    254,223.97x = 48,942,110,596.34
  5. Step 5: Solve for x
    x = 48,942,110,596.34/254,223.97
  6. Step 6: Final answer
    x = 192,515.72

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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.