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Finding the Fourth Proportional to 181,507.80, 272,261.70 and 131,352.60

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Solution

The fourth proportional to 181,507.80, 272,261.70 and 131,352.60 is: 197,028.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,507.80 : 272,261.70 = 131,352.60 : x
  2. Step 2: Convert to fraction form
    181,507.80/272,261.70 = 131,352.60/x
  3. Step 3: Cross multiply
    181,507.80x = 272,261.70 × 131,352.60
  4. Step 4: Simplify right side
    181,507.80x = 35,762,282,175.42
  5. Step 5: Solve for x
    x = 35,762,282,175.42/181,507.80
  6. Step 6: Final answer
    x = 197,028.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.