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Finding the Fourth Proportional to 69,773.66, 96,315.04 and 49,461.89

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Solution

The fourth proportional to 69,773.66, 96,315.04 and 49,461.89 is: 68,276.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,773.66 : 96,315.04 = 49,461.89 : x
  2. Step 2: Convert to fraction form
    69,773.66/96,315.04 = 49,461.89/x
  3. Step 3: Cross multiply
    69,773.66x = 96,315.04 × 49,461.89
  4. Step 4: Simplify right side
    69,773.66x = 4,763,923,184.94
  5. Step 5: Solve for x
    x = 4,763,923,184.94/69,773.66
  6. Step 6: Final answer
    x = 68,276.82

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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.