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Finding the Fourth Proportional to 181,617.34, 250,489.92 and 117,975.64

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Solution

The fourth proportional to 181,617.34, 250,489.92 and 117,975.64 is: 162,714.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,617.34 : 250,489.92 = 117,975.64 : x
  2. Step 2: Convert to fraction form
    181,617.34/250,489.92 = 117,975.64/x
  3. Step 3: Cross multiply
    181,617.34x = 250,489.92 × 117,975.64
  4. Step 4: Simplify right side
    181,617.34x = 29,551,708,625.55
  5. Step 5: Solve for x
    x = 29,551,708,625.55/181,617.34
  6. Step 6: Final answer
    x = 162,714.14

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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.