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Finding the Fourth Proportional to 73,890.51, 110,818.89 and 29,505.35

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Solution

The fourth proportional to 73,890.51, 110,818.89 and 29,505.35 is: 44,251.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,890.51 : 110,818.89 = 29,505.35 : x
  2. Step 2: Convert to fraction form
    73,890.51/110,818.89 = 29,505.35/x
  3. Step 3: Cross multiply
    73,890.51x = 110,818.89 × 29,505.35
  4. Step 4: Simplify right side
    73,890.51x = 3,269,750,136.06
  5. Step 5: Solve for x
    x = 3,269,750,136.06/73,890.51
  6. Step 6: Final answer
    x = 44,251.29

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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.