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Finding the Fourth Proportional to 254,697.75, 351,494.44 and 141,520.50

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Solution

The fourth proportional to 254,697.75, 351,494.44 and 141,520.50 is: 195,304.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,697.75 : 351,494.44 = 141,520.50 : x
  2. Step 2: Convert to fraction form
    254,697.75/351,494.44 = 141,520.50/x
  3. Step 3: Cross multiply
    254,697.75x = 351,494.44 × 141,520.50
  4. Step 4: Simplify right side
    254,697.75x = 49,743,668,542.22
  5. Step 5: Solve for x
    x = 49,743,668,542.22/254,697.75
  6. Step 6: Final answer
    x = 195,304.70

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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.