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Finding the Fourth Proportional to 125,904.89, 173,763.75 and 72,189.74

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Solution

The fourth proportional to 125,904.89, 173,763.75 and 72,189.74 is: 99,630.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,904.89 : 173,763.75 = 72,189.74 : x
  2. Step 2: Convert to fraction form
    125,904.89/173,763.75 = 72,189.74/x
  3. Step 3: Cross multiply
    125,904.89x = 173,763.75 × 72,189.74
  4. Step 4: Simplify right side
    125,904.89x = 12,543,959,065.11
  5. Step 5: Solve for x
    x = 12,543,959,065.11/125,904.89
  6. Step 6: Final answer
    x = 99,630.44

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