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Finding the Fourth Proportional to 144,297.95, 199,131.08 and 80,635.59

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Solution

The fourth proportional to 144,297.95, 199,131.08 and 80,635.59 is: 111,277.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,297.95 : 199,131.08 = 80,635.59 : x
  2. Step 2: Convert to fraction form
    144,297.95/199,131.08 = 80,635.59/x
  3. Step 3: Cross multiply
    144,297.95x = 199,131.08 × 80,635.59
  4. Step 4: Simplify right side
    144,297.95x = 16,057,051,719.96
  5. Step 5: Solve for x
    x = 16,057,051,719.96/144,297.95
  6. Step 6: Final answer
    x = 111,277.06

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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.