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Finding the Fourth Proportional to 100,609.47, 150,927.57 and 33,119.19

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Solution

The fourth proportional to 100,609.47, 150,927.57 and 33,119.19 is: 49,683.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,609.47 : 150,927.57 = 33,119.19 : x
  2. Step 2: Convert to fraction form
    100,609.47/150,927.57 = 33,119.19/x
  3. Step 3: Cross multiply
    100,609.47x = 150,927.57 × 33,119.19
  4. Step 4: Simplify right side
    100,609.47x = 4,998,598,867.07
  5. Step 5: Solve for x
    x = 4,998,598,867.07/100,609.47
  6. Step 6: Final answer
    x = 49,683.18

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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.