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Finding the Fourth Proportional to 255,363.27, 383,040.59 and 65,823.27

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Solution

The fourth proportional to 255,363.27, 383,040.59 and 65,823.27 is: 98,733.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,363.27 : 383,040.59 = 65,823.27 : x
  2. Step 2: Convert to fraction form
    255,363.27/383,040.59 = 65,823.27/x
  3. Step 3: Cross multiply
    255,363.27x = 383,040.59 × 65,823.27
  4. Step 4: Simplify right side
    255,363.27x = 25,212,983,847.41
  5. Step 5: Solve for x
    x = 25,212,983,847.41/255,363.27
  6. Step 6: Final answer
    x = 98,733.79

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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.