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Finding the Fourth Proportional to 203,161.38, 304,722.63 and 70,023.30

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Solution

The fourth proportional to 203,161.38, 304,722.63 and 70,023.30 is: 105,028.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,161.38 : 304,722.63 = 70,023.30 : x
  2. Step 2: Convert to fraction form
    203,161.38/304,722.63 = 70,023.30/x
  3. Step 3: Cross multiply
    203,161.38x = 304,722.63 × 70,023.30
  4. Step 4: Simplify right side
    203,161.38x = 21,337,684,137.28
  5. Step 5: Solve for x
    x = 21,337,684,137.28/203,161.38
  6. Step 6: Final answer
    x = 105,028.25

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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.