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Finding the Fourth Proportional to 168,842.16, 253,263.60 and 116,092.08

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Solution

The fourth proportional to 168,842.16, 253,263.60 and 116,092.08 is: 174,138.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,842.16 : 253,263.60 = 116,092.08 : x
  2. Step 2: Convert to fraction form
    168,842.16/253,263.60 = 116,092.08/x
  3. Step 3: Cross multiply
    168,842.16x = 253,263.60 × 116,092.08
  4. Step 4: Simplify right side
    168,842.16x = 29,401,898,112.29
  5. Step 5: Solve for x
    x = 29,401,898,112.29/168,842.16
  6. Step 6: Final answer
    x = 174,138.37

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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.