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Finding the Fourth Proportional to 73,075.31, 100,806.76 and 44,387.34

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Solution

The fourth proportional to 73,075.31, 100,806.76 and 44,387.34 is: 61,231.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,075.31 : 100,806.76 = 44,387.34 : x
  2. Step 2: Convert to fraction form
    73,075.31/100,806.76 = 44,387.34/x
  3. Step 3: Cross multiply
    73,075.31x = 100,806.76 × 44,387.34
  4. Step 4: Simplify right side
    73,075.31x = 4,474,543,930.42
  5. Step 5: Solve for x
    x = 4,474,543,930.42/73,075.31
  6. Step 6: Final answer
    x = 61,231.95

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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.