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Finding the Fourth Proportional to 104,488.99, 144,217.77 and 68,682.33

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Solution

The fourth proportional to 104,488.99, 144,217.77 and 68,682.33 is: 94,796.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,488.99 : 144,217.77 = 68,682.33 : x
  2. Step 2: Convert to fraction form
    104,488.99/144,217.77 = 68,682.33/x
  3. Step 3: Cross multiply
    104,488.99x = 144,217.77 × 68,682.33
  4. Step 4: Simplify right side
    104,488.99x = 9,905,212,213.45
  5. Step 5: Solve for x
    x = 9,905,212,213.45/104,488.99
  6. Step 6: Final answer
    x = 94,796.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.