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Finding the Fourth Proportional to 171,475.84, 236,752.22 and 107,043.20

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Solution

The fourth proportional to 171,475.84, 236,752.22 and 107,043.20 is: 147,791.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,475.84 : 236,752.22 = 107,043.20 : x
  2. Step 2: Convert to fraction form
    171,475.84/236,752.22 = 107,043.20/x
  3. Step 3: Cross multiply
    171,475.84x = 236,752.22 × 107,043.20
  4. Step 4: Simplify right side
    171,475.84x = 25,342,715,235.90
  5. Step 5: Solve for x
    x = 25,342,715,235.90/171,475.84
  6. Step 6: Final answer
    x = 147,791.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.