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Finding the Fourth Proportional to 110,616.35, 152,614.44 and 65,279.03

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Solution

The fourth proportional to 110,616.35, 152,614.44 and 65,279.03 is: 90,063.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,616.35 : 152,614.44 = 65,279.03 : x
  2. Step 2: Convert to fraction form
    110,616.35/152,614.44 = 65,279.03/x
  3. Step 3: Cross multiply
    110,616.35x = 152,614.44 × 65,279.03
  4. Step 4: Simplify right side
    110,616.35x = 9,962,521,844.12
  5. Step 5: Solve for x
    x = 9,962,521,844.12/110,616.35
  6. Step 6: Final answer
    x = 90,063.74

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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.