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Finding the Fourth Proportional to 111,796.10, 167,658.54 and 36,902.30

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Solution

The fourth proportional to 111,796.10, 167,658.54 and 36,902.30 is: 55,341.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,796.10 : 167,658.54 = 36,902.30 : x
  2. Step 2: Convert to fraction form
    111,796.10/167,658.54 = 36,902.30/x
  3. Step 3: Cross multiply
    111,796.10x = 167,658.54 × 36,902.30
  4. Step 4: Simplify right side
    111,796.10x = 6,186,985,740.64
  5. Step 5: Solve for x
    x = 6,186,985,740.64/111,796.10
  6. Step 6: Final answer
    x = 55,341.70

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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.