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Finding the Fourth Proportional to 305,109.01, 457,643.00 and 105,432.13

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Solution

The fourth proportional to 305,109.01, 457,643.00 and 105,432.13 is: 158,141.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,109.01 : 457,643.00 = 105,432.13 : x
  2. Step 2: Convert to fraction form
    305,109.01/457,643.00 = 105,432.13/x
  3. Step 3: Cross multiply
    305,109.01x = 457,643.00 × 105,432.13
  4. Step 4: Simplify right side
    305,109.01x = 48,250,275,742.43
  5. Step 5: Solve for x
    x = 48,250,275,742.43/305,109.01
  6. Step 6: Final answer
    x = 158,141.10

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