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Finding the Fourth Proportional to 59,749.60, 89,478.60 and 57,125.20

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Solution

The fourth proportional to 59,749.60, 89,478.60 and 57,125.20 is: 85,548.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,749.60 : 89,478.60 = 57,125.20 : x
  2. Step 2: Convert to fraction form
    59,749.60/89,478.60 = 57,125.20/x
  3. Step 3: Cross multiply
    59,749.60x = 89,478.60 × 57,125.20
  4. Step 4: Simplify right side
    59,749.60x = 5,111,482,920.72
  5. Step 5: Solve for x
    x = 5,111,482,920.72/59,749.60
  6. Step 6: Final answer
    x = 85,548.40

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