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Finding the Fourth Proportional to 245,253, 367,679.16 and 126,958.44

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Solution

The fourth proportional to 245,253, 367,679.16 and 126,958.44 is: 190,333.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,253 : 367,679.16 = 126,958.44 : x
  2. Step 2: Convert to fraction form
    245,253/367,679.16 = 126,958.44/x
  3. Step 3: Cross multiply
    245,253x = 367,679.16 × 126,958.44
  4. Step 4: Simplify right side
    245,253x = 46,679,972,574.11
  5. Step 5: Solve for x
    x = 46,679,972,574.11/245,253
  6. Step 6: Final answer
    x = 190,333.95

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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.