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Finding the Fourth Proportional to 216,405.82, 298,151.22 and 150,932.08

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Solution

The fourth proportional to 216,405.82, 298,151.22 and 150,932.08 is: 207,945.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,405.82 : 298,151.22 = 150,932.08 : x
  2. Step 2: Convert to fraction form
    216,405.82/298,151.22 = 150,932.08/x
  3. Step 3: Cross multiply
    216,405.82x = 298,151.22 × 150,932.08
  4. Step 4: Simplify right side
    216,405.82x = 45,000,583,789.14
  5. Step 5: Solve for x
    x = 45,000,583,789.14/216,405.82
  6. Step 6: Final answer
    x = 207,945.35

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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.