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Finding the Fourth Proportional to 357,460.83, 536,190.80 and 91,221.35

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Solution

The fourth proportional to 357,460.83, 536,190.80 and 91,221.35 is: 136,831.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,460.83 : 536,190.80 = 91,221.35 : x
  2. Step 2: Convert to fraction form
    357,460.83/536,190.80 = 91,221.35/x
  3. Step 3: Cross multiply
    357,460.83x = 536,190.80 × 91,221.35
  4. Step 4: Simplify right side
    357,460.83x = 48,912,045,496.52
  5. Step 5: Solve for x
    x = 48,912,045,496.52/357,460.83
  6. Step 6: Final answer
    x = 136,831.90

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