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Finding the Fourth Proportional to 151,369.67, 227,054.36 and 71,388.98

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Solution

The fourth proportional to 151,369.67, 227,054.36 and 71,388.98 is: 107,083.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,369.67 : 227,054.36 = 71,388.98 : x
  2. Step 2: Convert to fraction form
    151,369.67/227,054.36 = 71,388.98/x
  3. Step 3: Cross multiply
    151,369.67x = 227,054.36 × 71,388.98
  4. Step 4: Simplify right side
    151,369.67x = 16,209,178,029.68
  5. Step 5: Solve for x
    x = 16,209,178,029.68/151,369.67
  6. Step 6: Final answer
    x = 107,083.40

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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.