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Finding the Fourth Proportional to 64,086.99, 96,130.49 and 41,919.01

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Solution

The fourth proportional to 64,086.99, 96,130.49 and 41,919.01 is: 62,878.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,086.99 : 96,130.49 = 41,919.01 : x
  2. Step 2: Convert to fraction form
    64,086.99/96,130.49 = 41,919.01/x
  3. Step 3: Cross multiply
    64,086.99x = 96,130.49 × 41,919.01
  4. Step 4: Simplify right side
    64,086.99x = 4,029,694,521.69
  5. Step 5: Solve for x
    x = 4,029,694,521.69/64,086.99
  6. Step 6: Final answer
    x = 62,878.51

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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.