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Finding the Fourth Proportional to 255,682.22, 383,578.69 and 97,910.68

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Solution

The fourth proportional to 255,682.22, 383,578.69 and 97,910.68 is: 146,887.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,682.22 : 383,578.69 = 97,910.68 : x
  2. Step 2: Convert to fraction form
    255,682.22/383,578.69 = 97,910.68/x
  3. Step 3: Cross multiply
    255,682.22x = 383,578.69 × 97,910.68
  4. Step 4: Simplify right side
    255,682.22x = 37,556,449,167.69
  5. Step 5: Solve for x
    x = 37,556,449,167.69/255,682.22
  6. Step 6: Final answer
    x = 146,887.21

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1.5x scale

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.