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Finding the Fourth Proportional to 75,161.61, 103,715.46 and 44,940.96

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Solution

The fourth proportional to 75,161.61, 103,715.46 and 44,940.96 is: 62,014.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,161.61 : 103,715.46 = 44,940.96 : x
  2. Step 2: Convert to fraction form
    75,161.61/103,715.46 = 44,940.96/x
  3. Step 3: Cross multiply
    75,161.61x = 103,715.46 × 44,940.96
  4. Step 4: Simplify right side
    75,161.61x = 4,661,072,339.24
  5. Step 5: Solve for x
    x = 4,661,072,339.24/75,161.61
  6. Step 6: Final answer
    x = 62,014.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.