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Finding the Fourth Proportional to 136,270.98, 204,348.12 and 47,498.22

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Solution

The fourth proportional to 136,270.98, 204,348.12 and 47,498.22 is: 71,226.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,270.98 : 204,348.12 = 47,498.22 : x
  2. Step 2: Convert to fraction form
    136,270.98/204,348.12 = 47,498.22/x
  3. Step 3: Cross multiply
    136,270.98x = 204,348.12 × 47,498.22
  4. Step 4: Simplify right side
    136,270.98x = 9,706,171,960.35
  5. Step 5: Solve for x
    x = 9,706,171,960.35/136,270.98
  6. Step 6: Final answer
    x = 71,226.99

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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.