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Finding the Fourth Proportional to 73,940.54, 102,112.52 and 47,095.11

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Solution

The fourth proportional to 73,940.54, 102,112.52 and 47,095.11 is: 65,038.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,940.54 : 102,112.52 = 47,095.11 : x
  2. Step 2: Convert to fraction form
    73,940.54/102,112.52 = 47,095.11/x
  3. Step 3: Cross multiply
    73,940.54x = 102,112.52 × 47,095.11
  4. Step 4: Simplify right side
    73,940.54x = 4,809,000,126.30
  5. Step 5: Solve for x
    x = 4,809,000,126.30/73,940.54
  6. Step 6: Final answer
    x = 65,038.75

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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.