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Finding the Fourth Proportional to 123,444.99, 185,161.29 and 43,486.92

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Solution

The fourth proportional to 123,444.99, 185,161.29 and 43,486.92 is: 65,228.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,444.99 : 185,161.29 = 43,486.92 : x
  2. Step 2: Convert to fraction form
    123,444.99/185,161.29 = 43,486.92/x
  3. Step 3: Cross multiply
    123,444.99x = 185,161.29 × 43,486.92
  4. Step 4: Simplify right side
    123,444.99x = 8,052,094,205.33
  5. Step 5: Solve for x
    x = 8,052,094,205.33/123,444.99
  6. Step 6: Final answer
    x = 65,228.20

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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.