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Finding the Fourth Proportional to 178,951.68, 268,185.60 and 79,094.88

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Solution

The fourth proportional to 178,951.68, 268,185.60 and 79,094.88 is: 118,535.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,951.68 : 268,185.60 = 79,094.88 : x
  2. Step 2: Convert to fraction form
    178,951.68/268,185.60 = 79,094.88/x
  3. Step 3: Cross multiply
    178,951.68x = 268,185.60 × 79,094.88
  4. Step 4: Simplify right side
    178,951.68x = 21,212,107,849.73
  5. Step 5: Solve for x
    x = 21,212,107,849.73/178,951.68
  6. Step 6: Final answer
    x = 118,535.39

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1.5x scale

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.