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Finding the Fourth Proportional to 235,110.45, 352,512.32 and 85,322.37

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Solution

The fourth proportional to 235,110.45, 352,512.32 and 85,322.37 is: 127,927.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,110.45 : 352,512.32 = 85,322.37 : x
  2. Step 2: Convert to fraction form
    235,110.45/352,512.32 = 85,322.37/x
  3. Step 3: Cross multiply
    235,110.45x = 352,512.32 × 85,322.37
  4. Step 4: Simplify right side
    235,110.45x = 30,077,186,169.99
  5. Step 5: Solve for x
    x = 30,077,186,169.99/235,110.45
  6. Step 6: Final answer
    x = 127,927.90

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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.