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Finding the Fourth Proportional to 100,998.25, 151,497.12 and 29,926.42

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Solution

The fourth proportional to 100,998.25, 151,497.12 and 29,926.42 is: 44,889.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,998.25 : 151,497.12 = 29,926.42 : x
  2. Step 2: Convert to fraction form
    100,998.25/151,497.12 = 29,926.42/x
  3. Step 3: Cross multiply
    100,998.25x = 151,497.12 × 29,926.42
  4. Step 4: Simplify right side
    100,998.25x = 4,533,765,684.42
  5. Step 5: Solve for x
    x = 4,533,765,684.42/100,998.25
  6. Step 6: Final answer
    x = 44,889.55

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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.