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Finding the Fourth Proportional to 178,951.72, 246,954.18 and 98,386.36

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Solution

The fourth proportional to 178,951.72, 246,954.18 and 98,386.36 is: 135,773.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,951.72 : 246,954.18 = 98,386.36 : x
  2. Step 2: Convert to fraction form
    178,951.72/246,954.18 = 98,386.36/x
  3. Step 3: Cross multiply
    178,951.72x = 246,954.18 × 98,386.36
  4. Step 4: Simplify right side
    178,951.72x = 24,296,922,856.98
  5. Step 5: Solve for x
    x = 24,296,922,856.98/178,951.72
  6. Step 6: Final answer
    x = 135,773.62

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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.