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Finding the Fourth Proportional to 199,399.59, 298,396.71 and 124,554.96

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Solution

The fourth proportional to 199,399.59, 298,396.71 and 124,554.96 is: 186,393.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,399.59 : 298,396.71 = 124,554.96 : x
  2. Step 2: Convert to fraction form
    199,399.59/298,396.71 = 124,554.96/x
  3. Step 3: Cross multiply
    199,399.59x = 298,396.71 × 124,554.96
  4. Step 4: Simplify right side
    199,399.59x = 37,166,790,278.18
  5. Step 5: Solve for x
    x = 37,166,790,278.18/199,399.59
  6. Step 6: Final answer
    x = 186,393.51

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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.