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Finding the Fourth Proportional to 104,771.88, 144,754.29 and 73,082.25

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Solution

The fourth proportional to 104,771.88, 144,754.29 and 73,082.25 is: 100,971.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,771.88 : 144,754.29 = 73,082.25 : x
  2. Step 2: Convert to fraction form
    104,771.88/144,754.29 = 73,082.25/x
  3. Step 3: Cross multiply
    104,771.88x = 144,754.29 × 73,082.25
  4. Step 4: Simplify right side
    104,771.88x = 10,578,969,210.35
  5. Step 5: Solve for x
    x = 10,578,969,210.35/104,771.88
  6. Step 6: Final answer
    x = 100,971.46

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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.