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Finding the Fourth Proportional to 255,367.34, 383,057.18 and 65,832.33

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Solution

The fourth proportional to 255,367.34, 383,057.18 and 65,832.33 is: 98,750.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,367.34 : 383,057.18 = 65,832.33 : x
  2. Step 2: Convert to fraction form
    255,367.34/383,057.18 = 65,832.33/x
  3. Step 3: Cross multiply
    255,367.34x = 383,057.18 × 65,832.33
  4. Step 4: Simplify right side
    255,367.34x = 25,217,546,353.47
  5. Step 5: Solve for x
    x = 25,217,546,353.47/255,367.34
  6. Step 6: Final answer
    x = 98,750.09

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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.