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Finding the Fourth Proportional to 178,633.68, 246,513.48 and 98,062.56

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Solution

The fourth proportional to 178,633.68, 246,513.48 and 98,062.56 is: 135,325.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,633.68 : 246,513.48 = 98,062.56 : x
  2. Step 2: Convert to fraction form
    178,633.68/246,513.48 = 98,062.56/x
  3. Step 3: Cross multiply
    178,633.68x = 246,513.48 × 98,062.56
  4. Step 4: Simplify right side
    178,633.68x = 24,173,742,923.31
  5. Step 5: Solve for x
    x = 24,173,742,923.31/178,633.68
  6. Step 6: Final answer
    x = 135,325.78

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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.