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Finding the Fourth Proportional to 121,178.88, 167,246.88 and 70,868.16

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Solution

The fourth proportional to 121,178.88, 167,246.88 and 70,868.16 is: 97,809.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,178.88 : 167,246.88 = 70,868.16 : x
  2. Step 2: Convert to fraction form
    121,178.88/167,246.88 = 70,868.16/x
  3. Step 3: Cross multiply
    121,178.88x = 167,246.88 × 70,868.16
  4. Step 4: Simplify right side
    121,178.88x = 11,852,478,651.34
  5. Step 5: Solve for x
    x = 11,852,478,651.34/121,178.88
  6. Step 6: Final answer
    x = 97,809.77

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