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Finding the Fourth Proportional to 101,097, 139,512.92 and 55,775.34

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Solution

The fourth proportional to 101,097, 139,512.92 and 55,775.34 is: 76,969.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,097 : 139,512.92 = 55,775.34 : x
  2. Step 2: Convert to fraction form
    101,097/139,512.92 = 55,775.34/x
  3. Step 3: Cross multiply
    101,097x = 139,512.92 × 55,775.34
  4. Step 4: Simplify right side
    101,097x = 7,781,380,268.52
  5. Step 5: Solve for x
    x = 7,781,380,268.52/101,097
  6. Step 6: Final answer
    x = 76,969.45

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