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Finding the Fourth Proportional to 114,053.20, 170,820.60 and 72,062.80

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Solution

The fourth proportional to 114,053.20, 170,820.60 and 72,062.80 is: 107,930.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,053.20 : 170,820.60 = 72,062.80 : x
  2. Step 2: Convert to fraction form
    114,053.20/170,820.60 = 72,062.80/x
  3. Step 3: Cross multiply
    114,053.20x = 170,820.60 × 72,062.80
  4. Step 4: Simplify right side
    114,053.20x = 12,309,810,733.68
  5. Step 5: Solve for x
    x = 12,309,810,733.68/114,053.20
  6. Step 6: Final answer
    x = 107,930.43

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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.