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Finding the Fourth Proportional to 248,316, 372,532.38 and 82,104

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Solution

The fourth proportional to 248,316, 372,532.38 and 82,104 is: 123,175.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,316 : 372,532.38 = 82,104 : x
  2. Step 2: Convert to fraction form
    248,316/372,532.38 = 82,104/x
  3. Step 3: Cross multiply
    248,316x = 372,532.38 × 82,104
  4. Step 4: Simplify right side
    248,316x = 30,586,398,527.52
  5. Step 5: Solve for x
    x = 30,586,398,527.52/248,316
  6. Step 6: Final answer
    x = 123,175.30

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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.