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Finding the Fourth Proportional to 72,292.73, 99,752.06 and 45,416.21

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Solution

The fourth proportional to 72,292.73, 99,752.06 and 45,416.21 is: 62,666.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,292.73 : 99,752.06 = 45,416.21 : x
  2. Step 2: Convert to fraction form
    72,292.73/99,752.06 = 45,416.21/x
  3. Step 3: Cross multiply
    72,292.73x = 99,752.06 × 45,416.21
  4. Step 4: Simplify right side
    72,292.73x = 4,530,359,779.05
  5. Step 5: Solve for x
    x = 4,530,359,779.05/72,292.73
  6. Step 6: Final answer
    x = 62,666.88

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