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Finding the Fourth Proportional to 149,562.68, 206,393.22 and 82,494.68

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Solution

The fourth proportional to 149,562.68, 206,393.22 and 82,494.68 is: 113,840.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,562.68 : 206,393.22 = 82,494.68 : x
  2. Step 2: Convert to fraction form
    149,562.68/206,393.22 = 82,494.68/x
  3. Step 3: Cross multiply
    149,562.68x = 206,393.22 × 82,494.68
  4. Step 4: Simplify right side
    149,562.68x = 17,026,342,638.07
  5. Step 5: Solve for x
    x = 17,026,342,638.07/149,562.68
  6. Step 6: Final answer
    x = 113,840.85

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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.