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Finding the Fourth Proportional to 100,551.89, 150,825.52 and 50,618.58

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Solution

The fourth proportional to 100,551.89, 150,825.52 and 50,618.58 is: 75,926.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,551.89 : 150,825.52 = 50,618.58 : x
  2. Step 2: Convert to fraction form
    100,551.89/150,825.52 = 50,618.58/x
  3. Step 3: Cross multiply
    100,551.89x = 150,825.52 × 50,618.58
  4. Step 4: Simplify right side
    100,551.89x = 7,634,573,650.16
  5. Step 5: Solve for x
    x = 7,634,573,650.16/100,551.89
  6. Step 6: Final answer
    x = 75,926.70

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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.