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Finding the Fourth Proportional to 235,915.63, 353,523.45 and 173,279.95

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Solution

The fourth proportional to 235,915.63, 353,523.45 and 173,279.95 is: 259,662.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,915.63 : 353,523.45 = 173,279.95 : x
  2. Step 2: Convert to fraction form
    235,915.63/353,523.45 = 173,279.95/x
  3. Step 3: Cross multiply
    235,915.63x = 353,523.45 × 173,279.95
  4. Step 4: Simplify right side
    235,915.63x = 61,258,525,739.83
  5. Step 5: Solve for x
    x = 61,258,525,739.83/235,915.63
  6. Step 6: Final answer
    x = 259,662.85

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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.