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Finding the Fourth Proportional to 114,580.10, 171,879.35 and 43,536.78

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Solution

The fourth proportional to 114,580.10, 171,879.35 and 43,536.78 is: 65,308.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,580.10 : 171,879.35 = 43,536.78 : x
  2. Step 2: Convert to fraction form
    114,580.10/171,879.35 = 43,536.78/x
  3. Step 3: Cross multiply
    114,580.10x = 171,879.35 × 43,536.78
  4. Step 4: Simplify right side
    114,580.10x = 7,483,073,229.81
  5. Step 5: Solve for x
    x = 7,483,073,229.81/114,580.10
  6. Step 6: Final answer
    x = 65,308.67

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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.