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Finding the Fourth Proportional to 83,487.18, 115,214.31 and 45,763.50

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Solution

The fourth proportional to 83,487.18, 115,214.31 and 45,763.50 is: 63,154.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,487.18 : 115,214.31 = 45,763.50 : x
  2. Step 2: Convert to fraction form
    83,487.18/115,214.31 = 45,763.50/x
  3. Step 3: Cross multiply
    83,487.18x = 115,214.31 × 45,763.50
  4. Step 4: Simplify right side
    83,487.18x = 5,272,610,075.69
  5. Step 5: Solve for x
    x = 5,272,610,075.69/83,487.18
  6. Step 6: Final answer
    x = 63,154.73

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