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Finding the Fourth Proportional to 270,892.44, 373,811.22 and 156,089.52

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Solution

The fourth proportional to 270,892.44, 373,811.22 and 156,089.52 is: 215,391.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,892.44 : 373,811.22 = 156,089.52 : x
  2. Step 2: Convert to fraction form
    270,892.44/373,811.22 = 156,089.52/x
  3. Step 3: Cross multiply
    270,892.44x = 373,811.22 × 156,089.52
  4. Step 4: Simplify right side
    270,892.44x = 58,348,013,900.41
  5. Step 5: Solve for x
    x = 58,348,013,900.41/270,892.44
  6. Step 6: Final answer
    x = 215,391.81

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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.