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Finding the Fourth Proportional to 116,801.63, 161,187.76 and 69,054.56

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Solution

The fourth proportional to 116,801.63, 161,187.76 and 69,054.56 is: 95,296.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,801.63 : 161,187.76 = 69,054.56 : x
  2. Step 2: Convert to fraction form
    116,801.63/161,187.76 = 69,054.56/x
  3. Step 3: Cross multiply
    116,801.63x = 161,187.76 × 69,054.56
  4. Step 4: Simplify right side
    116,801.63x = 11,130,748,692.97
  5. Step 5: Solve for x
    x = 11,130,748,692.97/116,801.63
  6. Step 6: Final answer
    x = 95,296.18

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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.