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Finding the Fourth Proportional to 100,357.99, 150,546.40 and 36,332.15

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Solution

The fourth proportional to 100,357.99, 150,546.40 and 36,332.15 is: 54,501.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,357.99 : 150,546.40 = 36,332.15 : x
  2. Step 2: Convert to fraction form
    100,357.99/150,546.40 = 36,332.15/x
  3. Step 3: Cross multiply
    100,357.99x = 150,546.40 × 36,332.15
  4. Step 4: Simplify right side
    100,357.99x = 5,469,673,543.20
  5. Step 5: Solve for x
    x = 5,469,673,543.20/100,357.99
  6. Step 6: Final answer
    x = 54,501.63

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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.