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Finding the Fourth Proportional to 362,272.67, 543,234.21 and 151,854.11

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Solution

The fourth proportional to 362,272.67, 543,234.21 and 151,854.11 is: 227,707.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,272.67 : 543,234.21 = 151,854.11 : x
  2. Step 2: Convert to fraction form
    362,272.67/543,234.21 = 151,854.11/x
  3. Step 3: Cross multiply
    362,272.67x = 543,234.21 × 151,854.11
  4. Step 4: Simplify right side
    362,272.67x = 82,492,344,764.93
  5. Step 5: Solve for x
    x = 82,492,344,764.93/362,272.67
  6. Step 6: Final answer
    x = 227,707.89

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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.