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Finding the Fourth Proportional to 100,064.14, 150,096.46 and 40,899.80

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Solution

The fourth proportional to 100,064.14, 150,096.46 and 40,899.80 is: 61,349.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,064.14 : 150,096.46 = 40,899.80 : x
  2. Step 2: Convert to fraction form
    100,064.14/150,096.46 = 40,899.80/x
  3. Step 3: Cross multiply
    100,064.14x = 150,096.46 × 40,899.80
  4. Step 4: Simplify right side
    100,064.14x = 6,138,915,194.71
  5. Step 5: Solve for x
    x = 6,138,915,194.71/100,064.14
  6. Step 6: Final answer
    x = 61,349.80

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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.