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Finding the Fourth Proportional to 69,154.22, 103,708.22 and 27,023.42

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Solution

The fourth proportional to 69,154.22, 103,708.22 and 27,023.42 is: 40,526.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,154.22 : 103,708.22 = 27,023.42 : x
  2. Step 2: Convert to fraction form
    69,154.22/103,708.22 = 27,023.42/x
  3. Step 3: Cross multiply
    69,154.22x = 103,708.22 × 27,023.42
  4. Step 4: Simplify right side
    69,154.22x = 2,802,550,786.51
  5. Step 5: Solve for x
    x = 2,802,550,786.51/69,154.22
  6. Step 6: Final answer
    x = 40,526.10

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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.