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Finding the Fourth Proportional to 203,190.30, 304,267.05 and 161,718.30

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Solution

The fourth proportional to 203,190.30, 304,267.05 and 161,718.30 is: 242,164.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,190.30 : 304,267.05 = 161,718.30 : x
  2. Step 2: Convert to fraction form
    203,190.30/304,267.05 = 161,718.30/x
  3. Step 3: Cross multiply
    203,190.30x = 304,267.05 × 161,718.30
  4. Step 4: Simplify right side
    203,190.30x = 49,205,550,072.02
  5. Step 5: Solve for x
    x = 49,205,550,072.02/203,190.30
  6. Step 6: Final answer
    x = 242,164.86

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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.