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Finding the Fourth Proportional to 165,573, 248,401.41 and 47,244.76

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Solution

The fourth proportional to 165,573, 248,401.41 and 47,244.76 is: 70,879.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,573 : 248,401.41 = 47,244.76 : x
  2. Step 2: Convert to fraction form
    165,573/248,401.41 = 47,244.76/x
  3. Step 3: Cross multiply
    165,573x = 248,401.41 × 47,244.76
  4. Step 4: Simplify right side
    165,573x = 11,735,664,999.11
  5. Step 5: Solve for x
    x = 11,735,664,999.11/165,573
  6. Step 6: Final answer
    x = 70,879.10

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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.