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Finding the Fourth Proportional to 181,419.27, 250,361.58 and 99,750.97

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Solution

The fourth proportional to 181,419.27, 250,361.58 and 99,750.97 is: 137,657.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,419.27 : 250,361.58 = 99,750.97 : x
  2. Step 2: Convert to fraction form
    181,419.27/250,361.58 = 99,750.97/x
  3. Step 3: Cross multiply
    181,419.27x = 250,361.58 × 99,750.97
  4. Step 4: Simplify right side
    181,419.27x = 24,973,810,455.73
  5. Step 5: Solve for x
    x = 24,973,810,455.73/181,419.27
  6. Step 6: Final answer
    x = 137,657.98

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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.