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Finding the Fourth Proportional to 248,214.17, 372,476.78 and 100,470.17

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Solution

The fourth proportional to 248,214.17, 372,476.78 and 100,470.17 is: 150,768.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,214.17 : 372,476.78 = 100,470.17 : x
  2. Step 2: Convert to fraction form
    248,214.17/372,476.78 = 100,470.17/x
  3. Step 3: Cross multiply
    248,214.17x = 372,476.78 × 100,470.17
  4. Step 4: Simplify right side
    248,214.17x = 37,422,805,407.65
  5. Step 5: Solve for x
    x = 37,422,805,407.65/248,214.17
  6. Step 6: Final answer
    x = 150,768.21

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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.