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Finding the Fourth Proportional to 117,077.01, 161,566.25 and 63,362.03

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Solution

The fourth proportional to 117,077.01, 161,566.25 and 63,362.03 is: 87,439.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,077.01 : 161,566.25 = 63,362.03 : x
  2. Step 2: Convert to fraction form
    117,077.01/161,566.25 = 63,362.03/x
  3. Step 3: Cross multiply
    117,077.01x = 161,566.25 × 63,362.03
  4. Step 4: Simplify right side
    117,077.01x = 10,237,165,579.49
  5. Step 5: Solve for x
    x = 10,237,165,579.49/117,077.01
  6. Step 6: Final answer
    x = 87,439.59

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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.