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Finding the Fourth Proportional to 72,746.85, 109,146.93 and 30,637.53

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Solution

The fourth proportional to 72,746.85, 109,146.93 and 30,637.53 is: 45,967.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,746.85 : 109,146.93 = 30,637.53 : x
  2. Step 2: Convert to fraction form
    72,746.85/109,146.93 = 30,637.53/x
  3. Step 3: Cross multiply
    72,746.85x = 109,146.93 × 30,637.53
  4. Step 4: Simplify right side
    72,746.85x = 3,343,992,189.10
  5. Step 5: Solve for x
    x = 3,343,992,189.10/72,746.85
  6. Step 6: Final answer
    x = 45,967.52

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