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Finding the Fourth Proportional to 61,800.51, 92,479.33 and 53,509.15

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Solution

The fourth proportional to 61,800.51, 92,479.33 and 53,509.15 is: 80,071.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,800.51 : 92,479.33 = 53,509.15 : x
  2. Step 2: Convert to fraction form
    61,800.51/92,479.33 = 53,509.15/x
  3. Step 3: Cross multiply
    61,800.51x = 92,479.33 × 53,509.15
  4. Step 4: Simplify right side
    61,800.51x = 4,948,489,975.90
  5. Step 5: Solve for x
    x = 4,948,489,975.90/61,800.51
  6. Step 6: Final answer
    x = 80,071.99

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