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Finding the Fourth Proportional to 203,344.36, 304,941.66 and 70,190.44

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Solution

The fourth proportional to 203,344.36, 304,941.66 and 70,190.44 is: 105,259.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,344.36 : 304,941.66 = 70,190.44 : x
  2. Step 2: Convert to fraction form
    203,344.36/304,941.66 = 70,190.44/x
  3. Step 3: Cross multiply
    203,344.36x = 304,941.66 × 70,190.44
  4. Step 4: Simplify right side
    203,344.36x = 21,403,989,289.73
  5. Step 5: Solve for x
    x = 21,403,989,289.73/203,344.36
  6. Step 6: Final answer
    x = 105,259.81

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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.