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Finding the Fourth Proportional to 121,075.81, 167,082.02 and 70,090.68

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Solution

The fourth proportional to 121,075.81, 167,082.02 and 70,090.68 is: 96,723.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,075.81 : 167,082.02 = 70,090.68 : x
  2. Step 2: Convert to fraction form
    121,075.81/167,082.02 = 70,090.68/x
  3. Step 3: Cross multiply
    121,075.81x = 167,082.02 × 70,090.68
  4. Step 4: Simplify right side
    121,075.81x = 11,710,892,572.80
  5. Step 5: Solve for x
    x = 11,710,892,572.80/121,075.81
  6. Step 6: Final answer
    x = 96,723.64

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