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Finding the Fourth Proportional to 203,333.04, 304,935.30 and 190,065.78

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Solution

The fourth proportional to 203,333.04, 304,935.30 and 190,065.78 is: 285,038.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,333.04 : 304,935.30 = 190,065.78 : x
  2. Step 2: Convert to fraction form
    203,333.04/304,935.30 = 190,065.78/x
  3. Step 3: Cross multiply
    203,333.04x = 304,935.30 × 190,065.78
  4. Step 4: Simplify right side
    203,333.04x = 57,957,765,644.03
  5. Step 5: Solve for x
    x = 57,957,765,644.03/203,333.04
  6. Step 6: Final answer
    x = 285,038.60

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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.