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Finding the Fourth Proportional to 216,510.52, 324,758.48 and 76,265.52

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Solution

The fourth proportional to 216,510.52, 324,758.48 and 76,265.52 is: 114,395.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,510.52 : 324,758.48 = 76,265.52 : x
  2. Step 2: Convert to fraction form
    216,510.52/324,758.48 = 76,265.52/x
  3. Step 3: Cross multiply
    216,510.52x = 324,758.48 × 76,265.52
  4. Step 4: Simplify right side
    216,510.52x = 24,767,874,351.61
  5. Step 5: Solve for x
    x = 24,767,874,351.61/216,510.52
  6. Step 6: Final answer
    x = 114,395.71

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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.