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Finding the Fourth Proportional to 87,523.88, 120,804.82 and 49,820.00

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Solution

The fourth proportional to 87,523.88, 120,804.82 and 49,820.00 is: 68,764.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,523.88 : 120,804.82 = 49,820.00 : x
  2. Step 2: Convert to fraction form
    87,523.88/120,804.82 = 49,820.00/x
  3. Step 3: Cross multiply
    87,523.88x = 120,804.82 × 49,820.00
  4. Step 4: Simplify right side
    87,523.88x = 6,018,495,403.83
  5. Step 5: Solve for x
    x = 6,018,495,403.83/87,523.88
  6. Step 6: Final answer
    x = 68,764.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.