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Finding the Fourth Proportional to 194,357.34, 268,121.45 and 113,734.95

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Solution

The fourth proportional to 194,357.34, 268,121.45 and 113,734.95 is: 156,900.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,357.34 : 268,121.45 = 113,734.95 : x
  2. Step 2: Convert to fraction form
    194,357.34/268,121.45 = 113,734.95/x
  3. Step 3: Cross multiply
    194,357.34x = 268,121.45 × 113,734.95
  4. Step 4: Simplify right side
    194,357.34x = 30,494,779,141.00
  5. Step 5: Solve for x
    x = 30,494,779,141.00/194,357.34
  6. Step 6: Final answer
    x = 156,900.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.