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Finding the Fourth Proportional to 151,958.70, 227,938.05 and 46,809.90

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Solution

The fourth proportional to 151,958.70, 227,938.05 and 46,809.90 is: 70,214.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,958.70 : 227,938.05 = 46,809.90 : x
  2. Step 2: Convert to fraction form
    151,958.70/227,938.05 = 46,809.90/x
  3. Step 3: Cross multiply
    151,958.70x = 227,938.05 × 46,809.90
  4. Step 4: Simplify right side
    151,958.70x = 10,669,757,326.70
  5. Step 5: Solve for x
    x = 10,669,757,326.70/151,958.70
  6. Step 6: Final answer
    x = 70,214.85

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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.