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Finding the Fourth Proportional to 250,274.75, 375,409.11 and 100,512.35

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Solution

The fourth proportional to 250,274.75, 375,409.11 and 100,512.35 is: 150,767.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,274.75 : 375,409.11 = 100,512.35 : x
  2. Step 2: Convert to fraction form
    250,274.75/375,409.11 = 100,512.35/x
  3. Step 3: Cross multiply
    250,274.75x = 375,409.11 × 100,512.35
  4. Step 4: Simplify right side
    250,274.75x = 37,733,251,857.51
  5. Step 5: Solve for x
    x = 37,733,251,857.51/250,274.75
  6. Step 6: Final answer
    x = 150,767.31

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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.