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Finding the Fourth Proportional to 111,812.07, 167,682.54 and 36,918.27

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Solution

The fourth proportional to 111,812.07, 167,682.54 and 36,918.27 is: 55,365.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,812.07 : 167,682.54 = 36,918.27 : x
  2. Step 2: Convert to fraction form
    111,812.07/167,682.54 = 36,918.27/x
  3. Step 3: Cross multiply
    111,812.07x = 167,682.54 × 36,918.27
  4. Step 4: Simplify right side
    111,812.07x = 6,190,549,286.01
  5. Step 5: Solve for x
    x = 6,190,549,286.01/111,812.07
  6. Step 6: Final answer
    x = 55,365.66

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1.5x scale

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.