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Finding the Fourth Proportional to 78,075.95, 107,740.72 and 45,806.08

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Solution

The fourth proportional to 78,075.95, 107,740.72 and 45,806.08 is: 63,209.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,075.95 : 107,740.72 = 45,806.08 : x
  2. Step 2: Convert to fraction form
    78,075.95/107,740.72 = 45,806.08/x
  3. Step 3: Cross multiply
    78,075.95x = 107,740.72 × 45,806.08
  4. Step 4: Simplify right side
    78,075.95x = 4,935,180,039.58
  5. Step 5: Solve for x
    x = 4,935,180,039.58/78,075.95
  6. Step 6: Final answer
    x = 63,209.99

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