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Finding the Fourth Proportional to 165,339.92, 248,048.76 and 51,482.48

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Solution

The fourth proportional to 165,339.92, 248,048.76 and 51,482.48 is: 77,235.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,339.92 : 248,048.76 = 51,482.48 : x
  2. Step 2: Convert to fraction form
    165,339.92/248,048.76 = 51,482.48/x
  3. Step 3: Cross multiply
    165,339.92x = 248,048.76 × 51,482.48
  4. Step 4: Simplify right side
    165,339.92x = 12,770,165,325.72
  5. Step 5: Solve for x
    x = 12,770,165,325.72/165,339.92
  6. Step 6: Final answer
    x = 77,235.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.