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Finding the Fourth Proportional to 111,265.71, 166,859.26 and 48,083.28

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Solution

The fourth proportional to 111,265.71, 166,859.26 and 48,083.28 is: 72,107.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,265.71 : 166,859.26 = 48,083.28 : x
  2. Step 2: Convert to fraction form
    111,265.71/166,859.26 = 48,083.28/x
  3. Step 3: Cross multiply
    111,265.71x = 166,859.26 × 48,083.28
  4. Step 4: Simplify right side
    111,265.71x = 8,023,140,519.17
  5. Step 5: Solve for x
    x = 8,023,140,519.17/111,265.71
  6. Step 6: Final answer
    x = 72,107.93

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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.