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Finding the Fourth Proportional to 61,318.44, 92,042.01 and 54,343.08

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Solution

The fourth proportional to 61,318.44, 92,042.01 and 54,343.08 is: 81,571.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,318.44 : 92,042.01 = 54,343.08 : x
  2. Step 2: Convert to fraction form
    61,318.44/92,042.01 = 54,343.08/x
  3. Step 3: Cross multiply
    61,318.44x = 92,042.01 × 54,343.08
  4. Step 4: Simplify right side
    61,318.44x = 5,001,846,312.79
  5. Step 5: Solve for x
    x = 5,001,846,312.79/61,318.44
  6. Step 6: Final answer
    x = 81,571.65

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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.