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Finding the Fourth Proportional to 110,338.99, 152,266.37 and 65,018.88

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Solution

The fourth proportional to 110,338.99, 152,266.37 and 65,018.88 is: 89,725.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,338.99 : 152,266.37 = 65,018.88 : x
  2. Step 2: Convert to fraction form
    110,338.99/152,266.37 = 65,018.88/x
  3. Step 3: Cross multiply
    110,338.99x = 152,266.37 × 65,018.88
  4. Step 4: Simplify right side
    110,338.99x = 9,900,188,513.97
  5. Step 5: Solve for x
    x = 9,900,188,513.97/110,338.99
  6. Step 6: Final answer
    x = 89,725.21

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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.