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Finding the Fourth Proportional to 73,510.79, 110,302.61 and 29,136.56

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Solution

The fourth proportional to 73,510.79, 110,302.61 and 29,136.56 is: 43,719.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,510.79 : 110,302.61 = 29,136.56 : x
  2. Step 2: Convert to fraction form
    73,510.79/110,302.61 = 29,136.56/x
  3. Step 3: Cross multiply
    73,510.79x = 110,302.61 × 29,136.56
  4. Step 4: Simplify right side
    73,510.79x = 3,213,837,917.23
  5. Step 5: Solve for x
    x = 3,213,837,917.23/73,510.79
  6. Step 6: Final answer
    x = 43,719.27

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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.