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Finding the Fourth Proportional to 178,803.44, 246,748.91 and 98,231.12

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Solution

The fourth proportional to 178,803.44, 246,748.91 and 98,231.12 is: 135,559.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,803.44 : 246,748.91 = 98,231.12 : x
  2. Step 2: Convert to fraction form
    178,803.44/246,748.91 = 98,231.12/x
  3. Step 3: Cross multiply
    178,803.44x = 246,748.91 × 98,231.12
  4. Step 4: Simplify right side
    178,803.44x = 24,238,421,788.08
  5. Step 5: Solve for x
    x = 24,238,421,788.08/178,803.44
  6. Step 6: Final answer
    x = 135,559.04

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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.