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Finding the Fourth Proportional to 107,297.15, 160,945.74 and 40,737.32

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Solution

The fourth proportional to 107,297.15, 160,945.74 and 40,737.32 is: 61,105.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,297.15 : 160,945.74 = 40,737.32 : x
  2. Step 2: Convert to fraction form
    107,297.15/160,945.74 = 40,737.32/x
  3. Step 3: Cross multiply
    107,297.15x = 160,945.74 × 40,737.32
  4. Step 4: Simplify right side
    107,297.15x = 6,556,497,843.04
  5. Step 5: Solve for x
    x = 6,556,497,843.04/107,297.15
  6. Step 6: Final answer
    x = 61,105.98

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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.