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Finding the Fourth Proportional to 295,238,978.60, 442,858,467.90 and 141,848,047.40

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Solution

The fourth proportional to 295,238,978.60, 442,858,467.90 and 141,848,047.40 is: 212,772,071.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,238,978.60 : 442,858,467.90 = 141,848,047.40 : x
  2. Step 2: Convert to fraction form
    295,238,978.60/442,858,467.90 = 141,848,047.40/x
  3. Step 3: Cross multiply
    295,238,978.60x = 442,858,467.90 × 141,848,047.40
  4. Step 4: Simplify right side
    295,238,978.60x = 62,818,608,946,170,576
  5. Step 5: Solve for x
    x = 62,818,608,946,170,576/295,238,978.60
  6. Step 6: Final answer
    x = 212,772,071.10

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