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Finding the Fourth Proportional to 199,549.59, 299,379.06 and 99,589.11

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Solution

The fourth proportional to 199,549.59, 299,379.06 and 99,589.11 is: 149,410.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,549.59 : 299,379.06 = 99,589.11 : x
  2. Step 2: Convert to fraction form
    199,549.59/299,379.06 = 99,589.11/x
  3. Step 3: Cross multiply
    199,549.59x = 299,379.06 × 99,589.11
  4. Step 4: Simplify right side
    199,549.59x = 29,814,894,138.04
  5. Step 5: Solve for x
    x = 29,814,894,138.04/199,549.59
  6. Step 6: Final answer
    x = 149,410.95

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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.