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Finding the Fourth Proportional to 251,262.46, 346,771.70 and 149,288.76

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Solution

The fourth proportional to 251,262.46, 346,771.70 and 149,288.76 is: 206,036.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,262.46 : 346,771.70 = 149,288.76 : x
  2. Step 2: Convert to fraction form
    251,262.46/346,771.70 = 149,288.76/x
  3. Step 3: Cross multiply
    251,262.46x = 346,771.70 × 149,288.76
  4. Step 4: Simplify right side
    251,262.46x = 51,769,117,096.09
  5. Step 5: Solve for x
    x = 51,769,117,096.09/251,262.46
  6. Step 6: Final answer
    x = 206,036.02

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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.