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Finding the Fourth Proportional to 76,051.17, 104,915.70 and 49,202.33

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Solution

The fourth proportional to 76,051.17, 104,915.70 and 49,202.33 is: 67,876.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,051.17 : 104,915.70 = 49,202.33 : x
  2. Step 2: Convert to fraction form
    76,051.17/104,915.70 = 49,202.33/x
  3. Step 3: Cross multiply
    76,051.17x = 104,915.70 × 49,202.33
  4. Step 4: Simplify right side
    76,051.17x = 5,162,096,369.00
  5. Step 5: Solve for x
    x = 5,162,096,369.00/76,051.17
  6. Step 6: Final answer
    x = 67,876.62

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