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Finding the Fourth Proportional to 178,653.68, 246,541.04 and 98,082.56

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Solution

The fourth proportional to 178,653.68, 246,541.04 and 98,082.56 is: 135,353.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,653.68 : 246,541.04 = 98,082.56 : x
  2. Step 2: Convert to fraction form
    178,653.68/246,541.04 = 98,082.56/x
  3. Step 3: Cross multiply
    178,653.68x = 246,541.04 × 98,082.56
  4. Step 4: Simplify right side
    178,653.68x = 24,181,376,348.26
  5. Step 5: Solve for x
    x = 24,181,376,348.26/178,653.68
  6. Step 6: Final answer
    x = 135,353.36

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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.