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Finding the Fourth Proportional to 100,148.55, 150,274.61 and 44,028.03

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Solution

The fourth proportional to 100,148.55, 150,274.61 and 44,028.03 is: 66,064.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,148.55 : 150,274.61 = 44,028.03 : x
  2. Step 2: Convert to fraction form
    100,148.55/150,274.61 = 44,028.03/x
  3. Step 3: Cross multiply
    100,148.55x = 150,274.61 × 44,028.03
  4. Step 4: Simplify right side
    100,148.55x = 6,616,294,817.18
  5. Step 5: Solve for x
    x = 6,616,294,817.18/100,148.55
  6. Step 6: Final answer
    x = 66,064.81

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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.