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Finding the Fourth Proportional to 100,291.73, 150,436.40 and 24,390.68

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Solution

The fourth proportional to 100,291.73, 150,436.40 and 24,390.68 is: 36,585.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,291.73 : 150,436.40 = 24,390.68 : x
  2. Step 2: Convert to fraction form
    100,291.73/150,436.40 = 24,390.68/x
  3. Step 3: Cross multiply
    100,291.73x = 150,436.40 × 24,390.68
  4. Step 4: Simplify right side
    100,291.73x = 3,669,245,218.62
  5. Step 5: Solve for x
    x = 3,669,245,218.62/100,291.73
  6. Step 6: Final answer
    x = 36,585.72

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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.