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Finding the Fourth Proportional to 72,058.20, 108,119.70 and 25,344.60

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Solution

The fourth proportional to 72,058.20, 108,119.70 and 25,344.60 is: 38,028.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,058.20 : 108,119.70 = 25,344.60 : x
  2. Step 2: Convert to fraction form
    72,058.20/108,119.70 = 25,344.60/x
  3. Step 3: Cross multiply
    72,058.20x = 108,119.70 × 25,344.60
  4. Step 4: Simplify right side
    72,058.20x = 2,740,250,548.62
  5. Step 5: Solve for x
    x = 2,740,250,548.62/72,058.20
  6. Step 6: Final answer
    x = 38,028.30

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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.