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Finding the Fourth Proportional to 71,473.73, 107,075.27 and 47,709.62

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Solution

The fourth proportional to 71,473.73, 107,075.27 and 47,709.62 is: 71,474.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,473.73 : 107,075.27 = 47,709.62 : x
  2. Step 2: Convert to fraction form
    71,473.73/107,075.27 = 47,709.62/x
  3. Step 3: Cross multiply
    71,473.73x = 107,075.27 × 47,709.62
  4. Step 4: Simplify right side
    71,473.73x = 5,108,520,428.53
  5. Step 5: Solve for x
    x = 5,108,520,428.53/71,473.73
  6. Step 6: Final answer
    x = 71,474.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.