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Finding the Fourth Proportional to 104,810.85, 144,636.70 and 61,210.90

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Solution

The fourth proportional to 104,810.85, 144,636.70 and 61,210.90 is: 84,469.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,810.85 : 144,636.70 = 61,210.90 : x
  2. Step 2: Convert to fraction form
    104,810.85/144,636.70 = 61,210.90/x
  3. Step 3: Cross multiply
    104,810.85x = 144,636.70 × 61,210.90
  4. Step 4: Simplify right side
    104,810.85x = 8,853,342,941.62
  5. Step 5: Solve for x
    x = 8,853,342,941.62/104,810.85
  6. Step 6: Final answer
    x = 84,469.72

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