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Finding the Fourth Proportional to 100,625.99, 150,966.21 and 34,066.13

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Solution

The fourth proportional to 100,625.99, 150,966.21 and 34,066.13 is: 51,108.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,625.99 : 150,966.21 = 34,066.13 : x
  2. Step 2: Convert to fraction form
    100,625.99/150,966.21 = 34,066.13/x
  3. Step 3: Cross multiply
    100,625.99x = 150,966.21 × 34,066.13
  4. Step 4: Simplify right side
    100,625.99x = 5,142,834,535.47
  5. Step 5: Solve for x
    x = 5,142,834,535.47/100,625.99
  6. Step 6: Final answer
    x = 51,108.41

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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.