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Finding the Fourth Proportional to 163,959.48, 246,059.10 and 104,939.64

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Solution

The fourth proportional to 163,959.48, 246,059.10 and 104,939.64 is: 157,486.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,959.48 : 246,059.10 = 104,939.64 : x
  2. Step 2: Convert to fraction form
    163,959.48/246,059.10 = 104,939.64/x
  3. Step 3: Cross multiply
    163,959.48x = 246,059.10 × 104,939.64
  4. Step 4: Simplify right side
    163,959.48x = 25,821,353,372.72
  5. Step 5: Solve for x
    x = 25,821,353,372.72/163,959.48
  6. Step 6: Final answer
    x = 157,486.19

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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.