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Finding the Fourth Proportional to 69,135.66, 103,703.49 and 22,392.18

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Solution

The fourth proportional to 69,135.66, 103,703.49 and 22,392.18 is: 33,588.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,135.66 : 103,703.49 = 22,392.18 : x
  2. Step 2: Convert to fraction form
    69,135.66/103,703.49 = 22,392.18/x
  3. Step 3: Cross multiply
    69,135.66x = 103,703.49 × 22,392.18
  4. Step 4: Simplify right side
    69,135.66x = 2,322,147,214.71
  5. Step 5: Solve for x
    x = 2,322,147,214.71/69,135.66
  6. Step 6: Final answer
    x = 33,588.27

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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.