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Finding the Fourth Proportional to 91,598.48, 137,393.16 and 53,669.20

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Solution

The fourth proportional to 91,598.48, 137,393.16 and 53,669.20 is: 80,501.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,598.48 : 137,393.16 = 53,669.20 : x
  2. Step 2: Convert to fraction form
    91,598.48/137,393.16 = 53,669.20/x
  3. Step 3: Cross multiply
    91,598.48x = 137,393.16 × 53,669.20
  4. Step 4: Simplify right side
    91,598.48x = 7,373,780,982.67
  5. Step 5: Solve for x
    x = 7,373,780,982.67/91,598.48
  6. Step 6: Final answer
    x = 80,501.13

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