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Finding the Fourth Proportional to 180,902.10, 271,353.15 and 110,918.10

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Solution

The fourth proportional to 180,902.10, 271,353.15 and 110,918.10 is: 166,377.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,902.10 : 271,353.15 = 110,918.10 : x
  2. Step 2: Convert to fraction form
    180,902.10/271,353.15 = 110,918.10/x
  3. Step 3: Cross multiply
    180,902.10x = 271,353.15 × 110,918.10
  4. Step 4: Simplify right side
    180,902.10x = 30,097,975,827.02
  5. Step 5: Solve for x
    x = 30,097,975,827.02/180,902.10
  6. Step 6: Final answer
    x = 166,377.15

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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.