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Finding the Fourth Proportional to 165,339.56, 248,050.98 and 47,010.90

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Solution

The fourth proportional to 165,339.56, 248,050.98 and 47,010.90 is: 70,528.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,339.56 : 248,050.98 = 47,010.90 : x
  2. Step 2: Convert to fraction form
    165,339.56/248,050.98 = 47,010.90/x
  3. Step 3: Cross multiply
    165,339.56x = 248,050.98 × 47,010.90
  4. Step 4: Simplify right side
    165,339.56x = 11,661,099,815.68
  5. Step 5: Solve for x
    x = 11,661,099,815.68/165,339.56
  6. Step 6: Final answer
    x = 70,528.19

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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.