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Finding the Fourth Proportional to 235,256.52, 352,890.54 and 69,049.80

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Solution

The fourth proportional to 235,256.52, 352,890.54 and 69,049.80 is: 103,576.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,256.52 : 352,890.54 = 69,049.80 : x
  2. Step 2: Convert to fraction form
    235,256.52/352,890.54 = 69,049.80/x
  3. Step 3: Cross multiply
    235,256.52x = 352,890.54 × 69,049.80
  4. Step 4: Simplify right side
    235,256.52x = 24,367,021,208.89
  5. Step 5: Solve for x
    x = 24,367,021,208.89/235,256.52
  6. Step 6: Final answer
    x = 103,576.39

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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.