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Finding the Fourth Proportional to 255,735.22, 383,491.66 and 73,325.86

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Solution

The fourth proportional to 255,735.22, 383,491.66 and 73,325.86 is: 109,956.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,735.22 : 383,491.66 = 73,325.86 : x
  2. Step 2: Convert to fraction form
    255,735.22/383,491.66 = 73,325.86/x
  3. Step 3: Cross multiply
    255,735.22x = 383,491.66 × 73,325.86
  4. Step 4: Simplify right side
    255,735.22x = 28,119,855,772.33
  5. Step 5: Solve for x
    x = 28,119,855,772.33/255,735.22
  6. Step 6: Final answer
    x = 109,956.91

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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.