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Finding the Fourth Proportional to 99,403.97, 149,049.47 and 67,852.22

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Solution

The fourth proportional to 99,403.97, 149,049.47 and 67,852.22 is: 101,739.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,403.97 : 149,049.47 = 67,852.22 : x
  2. Step 2: Convert to fraction form
    99,403.97/149,049.47 = 67,852.22/x
  3. Step 3: Cross multiply
    99,403.97x = 149,049.47 × 67,852.22
  4. Step 4: Simplify right side
    99,403.97x = 10,113,337,462.69
  5. Step 5: Solve for x
    x = 10,113,337,462.69/99,403.97
  6. Step 6: Final answer
    x = 101,739.78

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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.