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Finding the Fourth Proportional to 78,612.04, 118,021.74 and 36,537.40

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Solution

The fourth proportional to 78,612.04, 118,021.74 and 36,537.40 is: 54,854.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,612.04 : 118,021.74 = 36,537.40 : x
  2. Step 2: Convert to fraction form
    78,612.04/118,021.74 = 36,537.40/x
  3. Step 3: Cross multiply
    78,612.04x = 118,021.74 × 36,537.40
  4. Step 4: Simplify right side
    78,612.04x = 4,312,207,523.08
  5. Step 5: Solve for x
    x = 4,312,207,523.08/78,612.04
  6. Step 6: Final answer
    x = 54,854.29

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