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Finding the Fourth Proportional to 199,661.20, 299,496.60 and 59,424.40

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Solution

The fourth proportional to 199,661.20, 299,496.60 and 59,424.40 is: 89,138.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,661.20 : 299,496.60 = 59,424.40 : x
  2. Step 2: Convert to fraction form
    199,661.20/299,496.60 = 59,424.40/x
  3. Step 3: Cross multiply
    199,661.20x = 299,496.60 × 59,424.40
  4. Step 4: Simplify right side
    199,661.20x = 17,797,405,757.04
  5. Step 5: Solve for x
    x = 17,797,405,757.04/199,661.20
  6. Step 6: Final answer
    x = 89,138.03

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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.