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Finding the Fourth Proportional to 199,083.80, 298,625.70 and 124,434.20

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Solution

The fourth proportional to 199,083.80, 298,625.70 and 124,434.20 is: 186,651.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,083.80 : 298,625.70 = 124,434.20 : x
  2. Step 2: Convert to fraction form
    199,083.80/298,625.70 = 124,434.20/x
  3. Step 3: Cross multiply
    199,083.80x = 298,625.70 × 124,434.20
  4. Step 4: Simplify right side
    199,083.80x = 37,159,250,078.94
  5. Step 5: Solve for x
    x = 37,159,250,078.94/199,083.80
  6. Step 6: Final answer
    x = 186,651.30

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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.