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Finding the Fourth Proportional to 193,504, 290,243.04 and 53,263.84

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Solution

The fourth proportional to 193,504, 290,243.04 and 53,263.84 is: 79,892.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,504 : 290,243.04 = 53,263.84 : x
  2. Step 2: Convert to fraction form
    193,504/290,243.04 = 53,263.84/x
  3. Step 3: Cross multiply
    193,504x = 290,243.04 × 53,263.84
  4. Step 4: Simplify right side
    193,504x = 15,459,458,843.67
  5. Step 5: Solve for x
    x = 15,459,458,843.67/193,504
  6. Step 6: Final answer
    x = 79,892.19

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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.