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Finding the Fourth Proportional to 299,886.88, 449,677.44 and 100,135.52

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Solution

The fourth proportional to 299,886.88, 449,677.44 and 100,135.52 is: 150,152.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,886.88 : 449,677.44 = 100,135.52 : x
  2. Step 2: Convert to fraction form
    299,886.88/449,677.44 = 100,135.52/x
  3. Step 3: Cross multiply
    299,886.88x = 449,677.44 × 100,135.52
  4. Step 4: Simplify right side
    299,886.88x = 45,028,684,286.67
  5. Step 5: Solve for x
    x = 45,028,684,286.67/299,886.88
  6. Step 6: Final answer
    x = 150,152.23

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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.