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Finding the Fourth Proportional to 123,843.06, 170,903.43 and 67,254.39

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Solution

The fourth proportional to 123,843.06, 170,903.43 and 67,254.39 is: 92,811.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,843.06 : 170,903.43 = 67,254.39 : x
  2. Step 2: Convert to fraction form
    123,843.06/170,903.43 = 67,254.39/x
  3. Step 3: Cross multiply
    123,843.06x = 170,903.43 × 67,254.39
  4. Step 4: Simplify right side
    123,843.06x = 11,494,005,933.56
  5. Step 5: Solve for x
    x = 11,494,005,933.56/123,843.06
  6. Step 6: Final answer
    x = 92,811.06

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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.