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Finding the Fourth Proportional to 254,560.50, 351,293.49 and 141,393.78

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Solution

The fourth proportional to 254,560.50, 351,293.49 and 141,393.78 is: 195,123.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,560.50 : 351,293.49 = 141,393.78 : x
  2. Step 2: Convert to fraction form
    254,560.50/351,293.49 = 141,393.78/x
  3. Step 3: Cross multiply
    254,560.50x = 351,293.49 × 141,393.78
  4. Step 4: Simplify right side
    254,560.50x = 49,670,714,440.49
  5. Step 5: Solve for x
    x = 49,670,714,440.49/254,560.50
  6. Step 6: Final answer
    x = 195,123.42

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1.5x scale

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.