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Finding the Fourth Proportional to 114,053.76, 171,108.52 and 80,385.44

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Solution

The fourth proportional to 114,053.76, 171,108.52 and 80,385.44 is: 120,597.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,053.76 : 171,108.52 = 80,385.44 : x
  2. Step 2: Convert to fraction form
    114,053.76/171,108.52 = 80,385.44/x
  3. Step 3: Cross multiply
    114,053.76x = 171,108.52 × 80,385.44
  4. Step 4: Simplify right side
    114,053.76x = 13,754,632,611.44
  5. Step 5: Solve for x
    x = 13,754,632,611.44/114,053.76
  6. Step 6: Final answer
    x = 120,597.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.