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Finding the Fourth Proportional to 125,814.18, 173,628.34 and 72,109.56

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Solution

The fourth proportional to 125,814.18, 173,628.34 and 72,109.56 is: 99,513.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,814.18 : 173,628.34 = 72,109.56 : x
  2. Step 2: Convert to fraction form
    125,814.18/173,628.34 = 72,109.56/x
  3. Step 3: Cross multiply
    125,814.18x = 173,628.34 × 72,109.56
  4. Step 4: Simplify right side
    125,814.18x = 12,520,263,200.93
  5. Step 5: Solve for x
    x = 12,520,263,200.93/125,814.18
  6. Step 6: Final answer
    x = 99,513.93

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