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Finding the Fourth Proportional to 302,348.22, 453,505.92 and 91,969.75

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Solution

The fourth proportional to 302,348.22, 453,505.92 and 91,969.75 is: 137,949.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,348.22 : 453,505.92 = 91,969.75 : x
  2. Step 2: Convert to fraction form
    302,348.22/453,505.92 = 91,969.75/x
  3. Step 3: Cross multiply
    302,348.22x = 453,505.92 × 91,969.75
  4. Step 4: Simplify right side
    302,348.22x = 41,708,826,085.92
  5. Step 5: Solve for x
    x = 41,708,826,085.92/302,348.22
  6. Step 6: Final answer
    x = 137,949.63

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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.