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Finding the Fourth Proportional to 78,402.52, 108,184.98 and 46,559.80

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Solution

The fourth proportional to 78,402.52, 108,184.98 and 46,559.80 is: 64,246.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,402.52 : 108,184.98 = 46,559.80 : x
  2. Step 2: Convert to fraction form
    78,402.52/108,184.98 = 46,559.80/x
  3. Step 3: Cross multiply
    78,402.52x = 108,184.98 × 46,559.80
  4. Step 4: Simplify right side
    78,402.52x = 5,037,071,031.80
  5. Step 5: Solve for x
    x = 5,037,071,031.80/78,402.52
  6. Step 6: Final answer
    x = 64,246.29

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