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Finding the Fourth Proportional to 179,576.37, 269,469.51 and 99,681.62

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Solution

The fourth proportional to 179,576.37, 269,469.51 and 99,681.62 is: 149,580.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,576.37 : 269,469.51 = 99,681.62 : x
  2. Step 2: Convert to fraction form
    179,576.37/269,469.51 = 99,681.62/x
  3. Step 3: Cross multiply
    179,576.37x = 269,469.51 × 99,681.62
  4. Step 4: Simplify right side
    179,576.37x = 26,861,155,950.06
  5. Step 5: Solve for x
    x = 26,861,155,950.06/179,576.37
  6. Step 6: Final answer
    x = 149,580.68

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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.