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Finding the Fourth Proportional to 291,910.76, 402,837.56 and 157,774.76

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Solution

The fourth proportional to 291,910.76, 402,837.56 and 157,774.76 is: 217,729.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,910.76 : 402,837.56 = 157,774.76 : x
  2. Step 2: Convert to fraction form
    291,910.76/402,837.56 = 157,774.76/x
  3. Step 3: Cross multiply
    291,910.76x = 402,837.56 × 157,774.76
  4. Step 4: Simplify right side
    291,910.76x = 63,557,599,347.99
  5. Step 5: Solve for x
    x = 63,557,599,347.99/291,910.76
  6. Step 6: Final answer
    x = 217,729.55

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