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Finding the Fourth Proportional to 216,087.99, 298,231.48 and 120,600.84

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Solution

The fourth proportional to 216,087.99, 298,231.48 and 120,600.84 is: 166,445.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,087.99 : 298,231.48 = 120,600.84 : x
  2. Step 2: Convert to fraction form
    216,087.99/298,231.48 = 120,600.84/x
  3. Step 3: Cross multiply
    216,087.99x = 298,231.48 × 120,600.84
  4. Step 4: Simplify right side
    216,087.99x = 35,966,967,002.44
  5. Step 5: Solve for x
    x = 35,966,967,002.44/216,087.99
  6. Step 6: Final answer
    x = 166,445.93

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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.