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Finding the Fourth Proportional to 181,617.84, 250,490.60 and 117,976.14

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Solution

The fourth proportional to 181,617.84, 250,490.60 and 117,976.14 is: 162,714.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,617.84 : 250,490.60 = 117,976.14 : x
  2. Step 2: Convert to fraction form
    181,617.84/250,490.60 = 117,976.14/x
  3. Step 3: Cross multiply
    181,617.84x = 250,490.60 × 117,976.14
  4. Step 4: Simplify right side
    181,617.84x = 29,551,914,094.28
  5. Step 5: Solve for x
    x = 29,551,914,094.28/181,617.84
  6. Step 6: Final answer
    x = 162,714.82

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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.