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Finding the Fourth Proportional to 62,112.76, 92,638.43 and 52,813.96

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Solution

The fourth proportional to 62,112.76, 92,638.43 and 52,813.96 is: 78,769.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,112.76 : 92,638.43 = 52,813.96 : x
  2. Step 2: Convert to fraction form
    62,112.76/92,638.43 = 52,813.96/x
  3. Step 3: Cross multiply
    62,112.76x = 92,638.43 × 52,813.96
  4. Step 4: Simplify right side
    62,112.76x = 4,892,602,336.48
  5. Step 5: Solve for x
    x = 4,892,602,336.48/62,112.76
  6. Step 6: Final answer
    x = 78,769.68

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