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Finding the Fourth Proportional to 100,810.26, 151,174.62 and 43,888.32

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Solution

The fourth proportional to 100,810.26, 151,174.62 and 43,888.32 is: 65,814.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,810.26 : 151,174.62 = 43,888.32 : x
  2. Step 2: Convert to fraction form
    100,810.26/151,174.62 = 43,888.32/x
  3. Step 3: Cross multiply
    100,810.26x = 151,174.62 × 43,888.32
  4. Step 4: Simplify right side
    100,810.26x = 6,634,800,098.44
  5. Step 5: Solve for x
    x = 6,634,800,098.44/100,810.26
  6. Step 6: Final answer
    x = 65,814.73

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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.