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Finding the Fourth Proportional to 125,817.81, 173,633.34 and 72,113.19

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Solution

The fourth proportional to 125,817.81, 173,633.34 and 72,113.19 is: 99,518.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,817.81 : 173,633.34 = 72,113.19 : x
  2. Step 2: Convert to fraction form
    125,817.81/173,633.34 = 72,113.19/x
  3. Step 3: Cross multiply
    125,817.81x = 173,633.34 × 72,113.19
  4. Step 4: Simplify right side
    125,817.81x = 12,521,254,037.75
  5. Step 5: Solve for x
    x = 12,521,254,037.75/125,817.81
  6. Step 6: Final answer
    x = 99,518.93

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