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Finding the Fourth Proportional to 85,023.60, 127,530.48 and 32,438.40

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Solution

The fourth proportional to 85,023.60, 127,530.48 and 32,438.40 is: 48,655.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,023.60 : 127,530.48 = 32,438.40 : x
  2. Step 2: Convert to fraction form
    85,023.60/127,530.48 = 32,438.40/x
  3. Step 3: Cross multiply
    85,023.60x = 127,530.48 × 32,438.40
  4. Step 4: Simplify right side
    85,023.60x = 4,136,884,722.43
  5. Step 5: Solve for x
    x = 4,136,884,722.43/85,023.60
  6. Step 6: Final answer
    x = 48,655.72

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