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Finding the Fourth Proportional to 181,241.16, 272,034.72 and 111,257.16

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Solution

The fourth proportional to 181,241.16, 272,034.72 and 111,257.16 is: 166,991.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,241.16 : 272,034.72 = 111,257.16 : x
  2. Step 2: Convert to fraction form
    181,241.16/272,034.72 = 111,257.16/x
  3. Step 3: Cross multiply
    181,241.16x = 272,034.72 × 111,257.16
  4. Step 4: Simplify right side
    181,241.16x = 30,265,810,368.60
  5. Step 5: Solve for x
    x = 30,265,810,368.60/181,241.16
  6. Step 6: Final answer
    x = 166,991.93

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1.5x scale

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.