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Finding the Fourth Proportional to 219,163.10, 329,133.45 and 169,364.30

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Solution

The fourth proportional to 219,163.10, 329,133.45 and 169,364.30 is: 254,346.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,163.10 : 329,133.45 = 169,364.30 : x
  2. Step 2: Convert to fraction form
    219,163.10/329,133.45 = 169,364.30/x
  3. Step 3: Cross multiply
    219,163.10x = 329,133.45 × 169,364.30
  4. Step 4: Simplify right side
    219,163.10x = 55,743,456,365.84
  5. Step 5: Solve for x
    x = 55,743,456,365.84/219,163.10
  6. Step 6: Final answer
    x = 254,346.91

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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.