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Finding the Fourth Proportional to 73,790.49, 101,830.36 and 41,959.38

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Solution

The fourth proportional to 73,790.49, 101,830.36 and 41,959.38 is: 57,903.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,790.49 : 101,830.36 = 41,959.38 : x
  2. Step 2: Convert to fraction form
    73,790.49/101,830.36 = 41,959.38/x
  3. Step 3: Cross multiply
    73,790.49x = 101,830.36 × 41,959.38
  4. Step 4: Simplify right side
    73,790.49x = 4,272,738,770.78
  5. Step 5: Solve for x
    x = 4,272,738,770.78/73,790.49
  6. Step 6: Final answer
    x = 57,903.65

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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.