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Finding the Fourth Proportional to 73,496.61, 110,246.13 and 20,907.45

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Solution

The fourth proportional to 73,496.61, 110,246.13 and 20,907.45 is: 31,361.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,496.61 : 110,246.13 = 20,907.45 : x
  2. Step 2: Convert to fraction form
    73,496.61/110,246.13 = 20,907.45/x
  3. Step 3: Cross multiply
    73,496.61x = 110,246.13 × 20,907.45
  4. Step 4: Simplify right side
    73,496.61x = 2,304,965,450.67
  5. Step 5: Solve for x
    x = 2,304,965,450.67/73,496.61
  6. Step 6: Final answer
    x = 31,361.52

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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.