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Finding the Fourth Proportional to 110,453.44, 152,418.49 and 65,129.23

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Solution

The fourth proportional to 110,453.44, 152,418.49 and 65,129.23 is: 89,874.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,453.44 : 152,418.49 = 65,129.23 : x
  2. Step 2: Convert to fraction form
    110,453.44/152,418.49 = 65,129.23/x
  3. Step 3: Cross multiply
    110,453.44x = 152,418.49 × 65,129.23
  4. Step 4: Simplify right side
    110,453.44x = 9,926,898,129.37
  5. Step 5: Solve for x
    x = 9,926,898,129.37/110,453.44
  6. Step 6: Final answer
    x = 89,874.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.