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Finding the Fourth Proportional to 270,956.51, 373,920 and 150,105.63

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Solution

The fourth proportional to 270,956.51, 373,920 and 150,105.63 is: 207,145.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,956.51 : 373,920 = 150,105.63 : x
  2. Step 2: Convert to fraction form
    270,956.51/373,920 = 150,105.63/x
  3. Step 3: Cross multiply
    270,956.51x = 373,920 × 150,105.63
  4. Step 4: Simplify right side
    270,956.51x = 56,127,497,169.60
  5. Step 5: Solve for x
    x = 56,127,497,169.60/270,956.51
  6. Step 6: Final answer
    x = 207,145.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.