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Finding the Fourth Proportional to 203,065.07, 304,598.22 and 69,943.60

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Solution

The fourth proportional to 203,065.07, 304,598.22 and 69,943.60 is: 104,915.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,065.07 : 304,598.22 = 69,943.60 : x
  2. Step 2: Convert to fraction form
    203,065.07/304,598.22 = 69,943.60/x
  3. Step 3: Cross multiply
    203,065.07x = 304,598.22 × 69,943.60
  4. Step 4: Simplify right side
    203,065.07x = 21,304,694,187.68
  5. Step 5: Solve for x
    x = 21,304,694,187.68/203,065.07
  6. Step 6: Final answer
    x = 104,915.60

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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.