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Finding the Fourth Proportional to 73,509.65, 110,300.94 and 29,135.42

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Solution

The fourth proportional to 73,509.65, 110,300.94 and 29,135.42 is: 43,717.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,509.65 : 110,300.94 = 29,135.42 : x
  2. Step 2: Convert to fraction form
    73,509.65/110,300.94 = 29,135.42/x
  3. Step 3: Cross multiply
    73,509.65x = 110,300.94 × 29,135.42
  4. Step 4: Simplify right side
    73,509.65x = 3,213,664,213.29
  5. Step 5: Solve for x
    x = 3,213,664,213.29/73,509.65
  6. Step 6: Final answer
    x = 43,717.58

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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.