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Finding the Fourth Proportional to 100,853.88, 151,297.24 and 29,783.71

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Solution

The fourth proportional to 100,853.88, 151,297.24 and 29,783.71 is: 44,680.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,853.88 : 151,297.24 = 29,783.71 : x
  2. Step 2: Convert to fraction form
    100,853.88/151,297.24 = 29,783.71/x
  3. Step 3: Cross multiply
    100,853.88x = 151,297.24 × 29,783.71
  4. Step 4: Simplify right side
    100,853.88x = 4,506,192,778.95
  5. Step 5: Solve for x
    x = 4,506,192,778.95/100,853.88
  6. Step 6: Final answer
    x = 44,680.41

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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.