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Finding the Fourth Proportional to 61,682.96, 92,294.94 and 54,151.02

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Solution

The fourth proportional to 61,682.96, 92,294.94 and 54,151.02 is: 81,025.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,682.96 : 92,294.94 = 54,151.02 : x
  2. Step 2: Convert to fraction form
    61,682.96/92,294.94 = 54,151.02/x
  3. Step 3: Cross multiply
    61,682.96x = 92,294.94 × 54,151.02
  4. Step 4: Simplify right side
    61,682.96x = 4,997,865,141.84
  5. Step 5: Solve for x
    x = 4,997,865,141.84/61,682.96
  6. Step 6: Final answer
    x = 81,025.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.