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Finding the Fourth Proportional to 183,568.74, 275,238.36 and 76,923.87

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Solution

The fourth proportional to 183,568.74, 275,238.36 and 76,923.87 is: 115,337.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,568.74 : 275,238.36 = 76,923.87 : x
  2. Step 2: Convert to fraction form
    183,568.74/275,238.36 = 76,923.87/x
  3. Step 3: Cross multiply
    183,568.74x = 275,238.36 × 76,923.87
  4. Step 4: Simplify right side
    183,568.74x = 21,172,399,823.65
  5. Step 5: Solve for x
    x = 21,172,399,823.65/183,568.74
  6. Step 6: Final answer
    x = 115,337.72

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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.