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Finding the Fourth Proportional to 181,874.40, 272,811.60 and 111,015.60

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Solution

The fourth proportional to 181,874.40, 272,811.60 and 111,015.60 is: 166,523.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,874.40 : 272,811.60 = 111,015.60 : x
  2. Step 2: Convert to fraction form
    181,874.40/272,811.60 = 111,015.60/x
  3. Step 3: Cross multiply
    181,874.40x = 272,811.60 × 111,015.60
  4. Step 4: Simplify right side
    181,874.40x = 30,286,343,460.96
  5. Step 5: Solve for x
    x = 30,286,343,460.96/181,874.40
  6. Step 6: Final answer
    x = 166,523.40

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Why These Related Problems?

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