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Finding the Fourth Proportional to 168,053, 231,918 and 92,606.36

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Solution

The fourth proportional to 168,053, 231,918 and 92,606.36 is: 127,799.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,053 : 231,918 = 92,606.36 : x
  2. Step 2: Convert to fraction form
    168,053/231,918 = 92,606.36/x
  3. Step 3: Cross multiply
    168,053x = 231,918 × 92,606.36
  4. Step 4: Simplify right side
    168,053x = 21,477,081,798.48
  5. Step 5: Solve for x
    x = 21,477,081,798.48/168,053
  6. Step 6: Final answer
    x = 127,799.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.