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Finding the Fourth Proportional to 74,309.83, 111,485.41 and 29,926.19

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Solution

The fourth proportional to 74,309.83, 111,485.41 and 29,926.19 is: 44,897.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,309.83 : 111,485.41 = 29,926.19 : x
  2. Step 2: Convert to fraction form
    74,309.83/111,485.41 = 29,926.19/x
  3. Step 3: Cross multiply
    74,309.83x = 111,485.41 × 29,926.19
  4. Step 4: Simplify right side
    74,309.83x = 3,336,333,765.79
  5. Step 5: Solve for x
    x = 3,336,333,765.79/74,309.83
  6. Step 6: Final answer
    x = 44,897.61

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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.