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Finding the Fourth Proportional to 114,260.96, 171,286.48 and 39,363.30

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Solution

The fourth proportional to 114,260.96, 171,286.48 and 39,363.30 is: 59,008.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,260.96 : 171,286.48 = 39,363.30 : x
  2. Step 2: Convert to fraction form
    114,260.96/171,286.48 = 39,363.30/x
  3. Step 3: Cross multiply
    114,260.96x = 171,286.48 × 39,363.30
  4. Step 4: Simplify right side
    114,260.96x = 6,742,401,147.39
  5. Step 5: Solve for x
    x = 6,742,401,147.39/114,260.96
  6. Step 6: Final answer
    x = 59,008.79

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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.