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Finding the Fourth Proportional to 254,481, 351,198.36 and 141,311.04

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Solution

The fourth proportional to 254,481, 351,198.36 and 141,311.04 is: 195,017.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,481 : 351,198.36 = 141,311.04 : x
  2. Step 2: Convert to fraction form
    254,481/351,198.36 = 141,311.04/x
  3. Step 3: Cross multiply
    254,481x = 351,198.36 × 141,311.04
  4. Step 4: Simplify right side
    254,481x = 49,628,205,497.89
  5. Step 5: Solve for x
    x = 49,628,205,497.89/254,481
  6. Step 6: Final answer
    x = 195,017.33

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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.