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Finding the Fourth Proportional to 111,755.42, 167,797.17 and 69,814.22

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Solution

The fourth proportional to 111,755.42, 167,797.17 and 69,814.22 is: 104,823.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,755.42 : 167,797.17 = 69,814.22 : x
  2. Step 2: Convert to fraction form
    111,755.42/167,797.17 = 69,814.22/x
  3. Step 3: Cross multiply
    111,755.42x = 167,797.17 × 69,814.22
  4. Step 4: Simplify right side
    111,755.42x = 11,714,628,541.76
  5. Step 5: Solve for x
    x = 11,714,628,541.76/111,755.42
  6. Step 6: Final answer
    x = 104,823.81

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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.