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Finding the Fourth Proportional to 124,380.45, 186,643.58 and 45,502.65

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Solution

The fourth proportional to 124,380.45, 186,643.58 and 45,502.65 is: 68,280.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,380.45 : 186,643.58 = 45,502.65 : x
  2. Step 2: Convert to fraction form
    124,380.45/186,643.58 = 45,502.65/x
  3. Step 3: Cross multiply
    124,380.45x = 186,643.58 × 45,502.65
  4. Step 4: Simplify right side
    124,380.45x = 8,492,777,267.97
  5. Step 5: Solve for x
    x = 8,492,777,267.97/124,380.45
  6. Step 6: Final answer
    x = 68,280.64

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