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Finding the Fourth Proportional to 99,023.88, 148,574.72 and 43,581

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Solution

The fourth proportional to 99,023.88, 148,574.72 and 43,581 is: 65,388.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,023.88 : 148,574.72 = 43,581 : x
  2. Step 2: Convert to fraction form
    99,023.88/148,574.72 = 43,581/x
  3. Step 3: Cross multiply
    99,023.88x = 148,574.72 × 43,581
  4. Step 4: Simplify right side
    99,023.88x = 6,475,034,872.32
  5. Step 5: Solve for x
    x = 6,475,034,872.32/99,023.88
  6. Step 6: Final answer
    x = 65,388.62

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