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Finding the Fourth Proportional to 235,930.55, 353,915.87 and 208,177.52

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Solution

The fourth proportional to 235,930.55, 353,915.87 and 208,177.52 is: 312,283.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,930.55 : 353,915.87 = 208,177.52 : x
  2. Step 2: Convert to fraction form
    235,930.55/353,915.87 = 208,177.52/x
  3. Step 3: Cross multiply
    235,930.55x = 353,915.87 × 208,177.52
  4. Step 4: Simplify right side
    235,930.55x = 73,677,325,294.78
  5. Step 5: Solve for x
    x = 73,677,325,294.78/235,930.55
  6. Step 6: Final answer
    x = 312,283.96

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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.