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Finding the Fourth Proportional to 111,549.76, 167,351 and 36,670.12

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Solution

The fourth proportional to 111,549.76, 167,351 and 36,670.12 is: 55,013.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,549.76 : 167,351 = 36,670.12 : x
  2. Step 2: Convert to fraction form
    111,549.76/167,351 = 36,670.12/x
  3. Step 3: Cross multiply
    111,549.76x = 167,351 × 36,670.12
  4. Step 4: Simplify right side
    111,549.76x = 6,136,781,252.12
  5. Step 5: Solve for x
    x = 6,136,781,252.12/111,549.76
  6. Step 6: Final answer
    x = 55,013.85

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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.