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Finding the Fourth Proportional to 92,004.84, 126,915.39 and 63,321.12

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Solution

The fourth proportional to 92,004.84, 126,915.39 and 63,321.12 is: 87,347.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,004.84 : 126,915.39 = 63,321.12 : x
  2. Step 2: Convert to fraction form
    92,004.84/126,915.39 = 63,321.12/x
  3. Step 3: Cross multiply
    92,004.84x = 126,915.39 × 63,321.12
  4. Step 4: Simplify right side
    92,004.84x = 8,036,424,640.04
  5. Step 5: Solve for x
    x = 8,036,424,640.04/92,004.84
  6. Step 6: Final answer
    x = 87,347.85

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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.