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Finding the Fourth Proportional to 101,499.63, 152,245.80 and 26,619.18

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Solution

The fourth proportional to 101,499.63, 152,245.80 and 26,619.18 is: 39,927.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,499.63 : 152,245.80 = 26,619.18 : x
  2. Step 2: Convert to fraction form
    101,499.63/152,245.80 = 26,619.18/x
  3. Step 3: Cross multiply
    101,499.63x = 152,245.80 × 26,619.18
  4. Step 4: Simplify right side
    101,499.63x = 4,052,658,354.44
  5. Step 5: Solve for x
    x = 4,052,658,354.44/101,499.63
  6. Step 6: Final answer
    x = 39,927.81

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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.