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Finding the Fourth Proportional to 188,151.21, 282,255.21 and 55,014.75

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Solution

The fourth proportional to 188,151.21, 282,255.21 and 55,014.75 is: 82,530.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,151.21 : 282,255.21 = 55,014.75 : x
  2. Step 2: Convert to fraction form
    188,151.21/282,255.21 = 55,014.75/x
  3. Step 3: Cross multiply
    188,151.21x = 282,255.21 × 55,014.75
  4. Step 4: Simplify right side
    188,151.21x = 15,528,199,814.35
  5. Step 5: Solve for x
    x = 15,528,199,814.35/188,151.21
  6. Step 6: Final answer
    x = 82,530.43

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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.