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Finding the Fourth Proportional to 61,518.54, 91,940.69 and 44,913.54

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Solution

The fourth proportional to 61,518.54, 91,940.69 and 44,913.54 is: 67,124.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,518.54 : 91,940.69 = 44,913.54 : x
  2. Step 2: Convert to fraction form
    61,518.54/91,940.69 = 44,913.54/x
  3. Step 3: Cross multiply
    61,518.54x = 91,940.69 × 44,913.54
  4. Step 4: Simplify right side
    61,518.54x = 4,129,381,857.94
  5. Step 5: Solve for x
    x = 4,129,381,857.94/61,518.54
  6. Step 6: Final answer
    x = 67,124.18

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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.