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Finding the Fourth Proportional to 225,966.00, 311,234.48 and 168,420.91

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Solution

The fourth proportional to 225,966.00, 311,234.48 and 168,420.91 is: 231,974.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,966.00 : 311,234.48 = 168,420.91 : x
  2. Step 2: Convert to fraction form
    225,966.00/311,234.48 = 168,420.91/x
  3. Step 3: Cross multiply
    225,966.00x = 311,234.48 × 168,420.91
  4. Step 4: Simplify right side
    225,966.00x = 52,418,393,028.57
  5. Step 5: Solve for x
    x = 52,418,393,028.57/225,966.00
  6. Step 6: Final answer
    x = 231,974.69

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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.