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Finding the Fourth Proportional to 178,990.56, 268,607.95 and 94,747.32

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Solution

The fourth proportional to 178,990.56, 268,607.95 and 94,747.32 is: 142,185.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,990.56 : 268,607.95 = 94,747.32 : x
  2. Step 2: Convert to fraction form
    178,990.56/268,607.95 = 94,747.32/x
  3. Step 3: Cross multiply
    178,990.56x = 268,607.95 × 94,747.32
  4. Step 4: Simplify right side
    178,990.56x = 25,449,883,156.33
  5. Step 5: Solve for x
    x = 25,449,883,156.33/178,990.56
  6. Step 6: Final answer
    x = 142,185.62

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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.