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Finding the Fourth Proportional to 168,361.55, 232,343.85 and 91,885.58

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Solution

The fourth proportional to 168,361.55, 232,343.85 and 91,885.58 is: 126,804.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,361.55 : 232,343.85 = 91,885.58 : x
  2. Step 2: Convert to fraction form
    168,361.55/232,343.85 = 91,885.58/x
  3. Step 3: Cross multiply
    168,361.55x = 232,343.85 × 91,885.58
  4. Step 4: Simplify right side
    168,361.55x = 21,349,049,416.68
  5. Step 5: Solve for x
    x = 21,349,049,416.68/168,361.55
  6. Step 6: Final answer
    x = 126,804.78

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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.