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Finding the Fourth Proportional to 181,266.60, 250,357.32 and 120,737.64

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Solution

The fourth proportional to 181,266.60, 250,357.32 and 120,737.64 is: 166,757.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,266.60 : 250,357.32 = 120,737.64 : x
  2. Step 2: Convert to fraction form
    181,266.60/250,357.32 = 120,737.64/x
  3. Step 3: Cross multiply
    181,266.60x = 250,357.32 × 120,737.64
  4. Step 4: Simplify right side
    181,266.60x = 30,227,551,973.52
  5. Step 5: Solve for x
    x = 30,227,551,973.52/181,266.60
  6. Step 6: Final answer
    x = 166,757.43

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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.