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Finding the Fourth Proportional to 59,810.79, 89,730.07 and 20,368.25

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Solution

The fourth proportional to 59,810.79, 89,730.07 and 20,368.25 is: 30,557.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,810.79 : 89,730.07 = 20,368.25 : x
  2. Step 2: Convert to fraction form
    59,810.79/89,730.07 = 20,368.25/x
  3. Step 3: Cross multiply
    59,810.79x = 89,730.07 × 20,368.25
  4. Step 4: Simplify right side
    59,810.79x = 1,827,644,100.55
  5. Step 5: Solve for x
    x = 1,827,644,100.55/59,810.79
  6. Step 6: Final answer
    x = 30,557.10

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