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Finding the Fourth Proportional to 107,474.45, 160,965.81 and 51,354.01

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Solution

The fourth proportional to 107,474.45, 160,965.81 and 51,354.01 is: 76,913.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,474.45 : 160,965.81 = 51,354.01 : x
  2. Step 2: Convert to fraction form
    107,474.45/160,965.81 = 51,354.01/x
  3. Step 3: Cross multiply
    107,474.45x = 160,965.81 × 51,354.01
  4. Step 4: Simplify right side
    107,474.45x = 8,266,239,413.98
  5. Step 5: Solve for x
    x = 8,266,239,413.98/107,474.45
  6. Step 6: Final answer
    x = 76,913.53

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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.