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Finding the Fourth Proportional to 199,066.80, 298,600.20 and 124,417.20

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Solution

The fourth proportional to 199,066.80, 298,600.20 and 124,417.20 is: 186,625.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,066.80 : 298,600.20 = 124,417.20 : x
  2. Step 2: Convert to fraction form
    199,066.80/298,600.20 = 124,417.20/x
  3. Step 3: Cross multiply
    199,066.80x = 298,600.20 × 124,417.20
  4. Step 4: Simplify right side
    199,066.80x = 37,151,000,803.44
  5. Step 5: Solve for x
    x = 37,151,000,803.44/199,066.80
  6. Step 6: Final answer
    x = 186,625.80

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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.