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Finding the Fourth Proportional to 125,503.65, 188,129.11 and 55,370.61

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Solution

The fourth proportional to 125,503.65, 188,129.11 and 55,370.61 is: 83,000.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,503.65 : 188,129.11 = 55,370.61 : x
  2. Step 2: Convert to fraction form
    125,503.65/188,129.11 = 55,370.61/x
  3. Step 3: Cross multiply
    125,503.65x = 188,129.11 × 55,370.61
  4. Step 4: Simplify right side
    125,503.65x = 10,416,823,579.46
  5. Step 5: Solve for x
    x = 10,416,823,579.46/125,503.65
  6. Step 6: Final answer
    x = 83,000.16

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