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Finding the Fourth Proportional to 283,640.40, 425,460.60 and 96,651.90

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Solution

The fourth proportional to 283,640.40, 425,460.60 and 96,651.90 is: 144,977.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,640.40 : 425,460.60 = 96,651.90 : x
  2. Step 2: Convert to fraction form
    283,640.40/425,460.60 = 96,651.90/x
  3. Step 3: Cross multiply
    283,640.40x = 425,460.60 × 96,651.90
  4. Step 4: Simplify right side
    283,640.40x = 41,121,575,365.14
  5. Step 5: Solve for x
    x = 41,121,575,365.14/283,640.40
  6. Step 6: Final answer
    x = 144,977.85

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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.