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Finding the Fourth Proportional to 216,641.75, 298,960.02 and 119,843.08

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Solution

The fourth proportional to 216,641.75, 298,960.02 and 119,843.08 is: 165,380.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,641.75 : 298,960.02 = 119,843.08 : x
  2. Step 2: Convert to fraction form
    216,641.75/298,960.02 = 119,843.08/x
  3. Step 3: Cross multiply
    216,641.75x = 298,960.02 × 119,843.08
  4. Step 4: Simplify right side
    216,641.75x = 35,828,289,593.66
  5. Step 5: Solve for x
    x = 35,828,289,593.66/216,641.75
  6. Step 6: Final answer
    x = 165,380.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.