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Finding the Fourth Proportional to 61,732.36, 92,056.43 and 61,171

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Solution

The fourth proportional to 61,732.36, 92,056.43 and 61,171 is: 91,219.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,732.36 : 92,056.43 = 61,171 : x
  2. Step 2: Convert to fraction form
    61,732.36/92,056.43 = 61,171/x
  3. Step 3: Cross multiply
    61,732.36x = 92,056.43 × 61,171
  4. Step 4: Simplify right side
    61,732.36x = 5,631,183,879.53
  5. Step 5: Solve for x
    x = 5,631,183,879.53/61,732.36
  6. Step 6: Final answer
    x = 91,219.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.