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Finding the Fourth Proportional to 112,922, 169,383 and 39,050

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Solution

The fourth proportional to 112,922, 169,383 and 39,050 is: 58,575

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,922 : 169,383 = 39,050 : x
  2. Step 2: Convert to fraction form
    112,922/169,383 = 39,050/x
  3. Step 3: Cross multiply
    112,922x = 169,383 × 39,050
  4. Step 4: Simplify right side
    112,922x = 6,614,406,150
  5. Step 5: Solve for x
    x = 6,614,406,150/112,922
  6. Step 6: Final answer
    x = 58,575

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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.