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Finding the Fourth Proportional to 61,842,354.40, 92,774,029.20 and 18,711,215.20

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Solution

The fourth proportional to 61,842,354.40, 92,774,029.20 and 18,711,215.20 is: 28,069,998.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,842,354.40 : 92,774,029.20 = 18,711,215.20 : x
  2. Step 2: Convert to fraction form
    61,842,354.40/92,774,029.20 = 18,711,215.20/x
  3. Step 3: Cross multiply
    61,842,354.40x = 92,774,029.20 × 18,711,215.20
  4. Step 4: Simplify right side
    61,842,354.40x = 1,735,914,825,332,283.75
  5. Step 5: Solve for x
    x = 1,735,914,825,332,283.75/61,842,354.40
  6. Step 6: Final answer
    x = 28,069,998.99

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