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Finding the Fourth Proportional to 80,119.94, 110,561.01 and 43,814.16

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Solution

The fourth proportional to 80,119.94, 110,561.01 and 43,814.16 is: 60,461.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,119.94 : 110,561.01 = 43,814.16 : x
  2. Step 2: Convert to fraction form
    80,119.94/110,561.01 = 43,814.16/x
  3. Step 3: Cross multiply
    80,119.94x = 110,561.01 × 43,814.16
  4. Step 4: Simplify right side
    80,119.94x = 4,844,137,847.93
  5. Step 5: Solve for x
    x = 4,844,137,847.93/80,119.94
  6. Step 6: Final answer
    x = 60,461.08

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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.