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Finding the Fourth Proportional to 79,825.88, 110,175.68 and 45,857.67

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Solution

The fourth proportional to 79,825.88, 110,175.68 and 45,857.67 is: 63,292.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,825.88 : 110,175.68 = 45,857.67 : x
  2. Step 2: Convert to fraction form
    79,825.88/110,175.68 = 45,857.67/x
  3. Step 3: Cross multiply
    79,825.88x = 110,175.68 × 45,857.67
  4. Step 4: Simplify right side
    79,825.88x = 5,052,399,424.59
  5. Step 5: Solve for x
    x = 5,052,399,424.59/79,825.88
  6. Step 6: Final answer
    x = 63,292.75

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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.