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Finding the Fourth Proportional to 193,144.40, 289,716.60 and 183,302.90

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Solution

The fourth proportional to 193,144.40, 289,716.60 and 183,302.90 is: 274,954.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,144.40 : 289,716.60 = 183,302.90 : x
  2. Step 2: Convert to fraction form
    193,144.40/289,716.60 = 183,302.90/x
  3. Step 3: Cross multiply
    193,144.40x = 289,716.60 × 183,302.90
  4. Step 4: Simplify right side
    193,144.40x = 53,105,892,958.14
  5. Step 5: Solve for x
    x = 53,105,892,958.14/193,144.40
  6. Step 6: Final answer
    x = 274,954.35

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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.