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Finding the Fourth Proportional to 178,803.84, 246,749.40 and 98,236.56

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Solution

The fourth proportional to 178,803.84, 246,749.40 and 98,236.56 is: 135,566.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,803.84 : 246,749.40 = 98,236.56 : x
  2. Step 2: Convert to fraction form
    178,803.84/246,749.40 = 98,236.56/x
  3. Step 3: Cross multiply
    178,803.84x = 246,749.40 × 98,236.56
  4. Step 4: Simplify right side
    178,803.84x = 24,239,812,238.06
  5. Step 5: Solve for x
    x = 24,239,812,238.06/178,803.84
  6. Step 6: Final answer
    x = 135,566.51

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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.