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Finding the Fourth Proportional to 295,715.76, 443,749.32 and 108,858.48

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Solution

The fourth proportional to 295,715.76, 443,749.32 and 108,858.48 is: 163,352.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,715.76 : 443,749.32 = 108,858.48 : x
  2. Step 2: Convert to fraction form
    295,715.76/443,749.32 = 108,858.48/x
  3. Step 3: Cross multiply
    295,715.76x = 443,749.32 × 108,858.48
  4. Step 4: Simplify right side
    295,715.76x = 48,305,876,476.23
  5. Step 5: Solve for x
    x = 48,305,876,476.23/295,715.76
  6. Step 6: Final answer
    x = 163,352.39

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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.