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Finding the Fourth Proportional to 270,882.98, 373,786.47 and 156,199.31

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Solution

The fourth proportional to 270,882.98, 373,786.47 and 156,199.31 is: 215,536.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,882.98 : 373,786.47 = 156,199.31 : x
  2. Step 2: Convert to fraction form
    270,882.98/373,786.47 = 156,199.31/x
  3. Step 3: Cross multiply
    270,882.98x = 373,786.47 × 156,199.31
  4. Step 4: Simplify right side
    270,882.98x = 58,385,186,051.41
  5. Step 5: Solve for x
    x = 58,385,186,051.41/270,882.98
  6. Step 6: Final answer
    x = 215,536.56

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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.