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Finding the Fourth Proportional to 73,380.75, 110,008.92 and 29,038.77

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Solution

The fourth proportional to 73,380.75, 110,008.92 and 29,038.77 is: 43,533.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,380.75 : 110,008.92 = 29,038.77 : x
  2. Step 2: Convert to fraction form
    73,380.75/110,008.92 = 29,038.77/x
  3. Step 3: Cross multiply
    73,380.75x = 110,008.92 × 29,038.77
  4. Step 4: Simplify right side
    73,380.75x = 3,194,523,725.83
  5. Step 5: Solve for x
    x = 3,194,523,725.83/73,380.75
  6. Step 6: Final answer
    x = 43,533.54

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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.