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Finding the Fourth Proportional to 199,706,648.80, 299,559,973.20 and 167,458,021.60

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Solution

The fourth proportional to 199,706,648.80, 299,559,973.20 and 167,458,021.60 is: 251,187,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,706,648.80 : 299,559,973.20 = 167,458,021.60 : x
  2. Step 2: Convert to fraction form
    199,706,648.80/299,559,973.20 = 167,458,021.60/x
  3. Step 3: Cross multiply
    199,706,648.80x = 299,559,973.20 × 167,458,021.60
  4. Step 4: Simplify right side
    199,706,648.80x = 50,163,720,462,621,016
  5. Step 5: Solve for x
    x = 50,163,720,462,621,016/199,706,648.80
  6. Step 6: Final answer
    x = 251,187,032.40

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