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Finding the Fourth Proportional to 170,978,946, 256,468,419 and 75,240,834

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Solution

The fourth proportional to 170,978,946, 256,468,419 and 75,240,834 is: 112,861,251.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,978,946 : 256,468,419 = 75,240,834 : x
  2. Step 2: Convert to fraction form
    170,978,946/256,468,419 = 75,240,834/x
  3. Step 3: Cross multiply
    170,978,946x = 256,468,419 × 75,240,834
  4. Step 4: Simplify right side
    170,978,946x = 19,296,897,740,221,448
  5. Step 5: Solve for x
    x = 19,296,897,740,221,448/170,978,946
  6. Step 6: Final answer
    x = 112,861,251.00

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