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Finding the Fourth Proportional to 101,317.70, 151,976.68 and 26,437.80

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Solution

The fourth proportional to 101,317.70, 151,976.68 and 26,437.80 is: 39,656.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,317.70 : 151,976.68 = 26,437.80 : x
  2. Step 2: Convert to fraction form
    101,317.70/151,976.68 = 26,437.80/x
  3. Step 3: Cross multiply
    101,317.70x = 151,976.68 × 26,437.80
  4. Step 4: Simplify right side
    101,317.70x = 4,017,929,070.50
  5. Step 5: Solve for x
    x = 4,017,929,070.50/101,317.70
  6. Step 6: Final answer
    x = 39,656.73

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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.