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Finding the Fourth Proportional to 115,417.46, 173,021.68 and 45,277.94

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Solution

The fourth proportional to 115,417.46, 173,021.68 and 45,277.94 is: 67,875.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,417.46 : 173,021.68 = 45,277.94 : x
  2. Step 2: Convert to fraction form
    115,417.46/173,021.68 = 45,277.94/x
  3. Step 3: Cross multiply
    115,417.46x = 173,021.68 × 45,277.94
  4. Step 4: Simplify right side
    115,417.46x = 7,834,065,245.74
  5. Step 5: Solve for x
    x = 7,834,065,245.74/115,417.46
  6. Step 6: Final answer
    x = 67,875.91

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