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Finding the Fourth Proportional to 144,750.88, 199,764.19 and 80,218.76

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Solution

The fourth proportional to 144,750.88, 199,764.19 and 80,218.76 is: 110,706.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,750.88 : 199,764.19 = 80,218.76 : x
  2. Step 2: Convert to fraction form
    144,750.88/199,764.19 = 80,218.76/x
  3. Step 3: Cross multiply
    144,750.88x = 199,764.19 × 80,218.76
  4. Step 4: Simplify right side
    144,750.88x = 16,024,835,614.20
  5. Step 5: Solve for x
    x = 16,024,835,614.20/144,750.88
  6. Step 6: Final answer
    x = 110,706.31

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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.