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Finding the Fourth Proportional to 98,257.92, 135,592.32 and 53,544.96

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Solution

The fourth proportional to 98,257.92, 135,592.32 and 53,544.96 is: 73,890.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,257.92 : 135,592.32 = 53,544.96 : x
  2. Step 2: Convert to fraction form
    98,257.92/135,592.32 = 53,544.96/x
  3. Step 3: Cross multiply
    98,257.92x = 135,592.32 × 53,544.96
  4. Step 4: Simplify right side
    98,257.92x = 7,260,285,350.71
  5. Step 5: Solve for x
    x = 7,260,285,350.71/98,257.92
  6. Step 6: Final answer
    x = 73,890.08

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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.