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Finding the Fourth Proportional to 114,579.38, 171,846.21 and 38,670.50

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Solution

The fourth proportional to 114,579.38, 171,846.21 and 38,670.50 is: 57,998.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,579.38 : 171,846.21 = 38,670.50 : x
  2. Step 2: Convert to fraction form
    114,579.38/171,846.21 = 38,670.50/x
  3. Step 3: Cross multiply
    114,579.38x = 171,846.21 × 38,670.50
  4. Step 4: Simplify right side
    114,579.38x = 6,645,378,863.81
  5. Step 5: Solve for x
    x = 6,645,378,863.81/114,579.38
  6. Step 6: Final answer
    x = 57,998.03

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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.