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Finding the Fourth Proportional to 84,566.86, 126,840.21 and 22,242.22

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Solution

The fourth proportional to 84,566.86, 126,840.21 and 22,242.22 is: 33,360.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,566.86 : 126,840.21 = 22,242.22 : x
  2. Step 2: Convert to fraction form
    84,566.86/126,840.21 = 22,242.22/x
  3. Step 3: Cross multiply
    84,566.86x = 126,840.21 × 22,242.22
  4. Step 4: Simplify right side
    84,566.86x = 2,821,207,855.67
  5. Step 5: Solve for x
    x = 2,821,207,855.67/84,566.86
  6. Step 6: Final answer
    x = 33,360.68

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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.