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Finding the Fourth Proportional to 144,549.99, 199,469.34 and 80,014.86

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Solution

The fourth proportional to 144,549.99, 199,469.34 and 80,014.86 is: 110,415.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,549.99 : 199,469.34 = 80,014.86 : x
  2. Step 2: Convert to fraction form
    144,549.99/199,469.34 = 80,014.86/x
  3. Step 3: Cross multiply
    144,549.99x = 199,469.34 × 80,014.86
  4. Step 4: Simplify right side
    144,549.99x = 15,960,511,314.39
  5. Step 5: Solve for x
    x = 15,960,511,314.39/144,549.99
  6. Step 6: Final answer
    x = 110,415.17

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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.