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Finding the Fourth Proportional to 107,171.52, 160,699.75 and 36,070.44

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Solution

The fourth proportional to 107,171.52, 160,699.75 and 36,070.44 is: 54,086.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,171.52 : 160,699.75 = 36,070.44 : x
  2. Step 2: Convert to fraction form
    107,171.52/160,699.75 = 36,070.44/x
  3. Step 3: Cross multiply
    107,171.52x = 160,699.75 × 36,070.44
  4. Step 4: Simplify right side
    107,171.52x = 5,796,510,690.39
  5. Step 5: Solve for x
    x = 5,796,510,690.39/107,171.52
  6. Step 6: Final answer
    x = 54,086.30

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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.