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Finding the Fourth Proportional to 352,602,772.80, 528,978,808.80 and 106,939,233.60

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Solution

The fourth proportional to 352,602,772.80, 528,978,808.80 and 106,939,233.60 is: 160,431,490.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,602,772.80 : 528,978,808.80 = 106,939,233.60 : x
  2. Step 2: Convert to fraction form
    352,602,772.80/528,978,808.80 = 106,939,233.60/x
  3. Step 3: Cross multiply
    352,602,772.80x = 528,978,808.80 × 106,939,233.60
  4. Step 4: Simplify right side
    352,602,772.80x = 56,568,588,403,712,936
  5. Step 5: Solve for x
    x = 56,568,588,403,712,936/352,602,772.80
  6. Step 6: Final answer
    x = 160,431,490.53

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Why These Related Problems?

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