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Finding the Fourth Proportional to 127,319.85, 175,763.72 and 79,588.58

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Solution

The fourth proportional to 127,319.85, 175,763.72 and 79,588.58 is: 109,871.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,319.85 : 175,763.72 = 79,588.58 : x
  2. Step 2: Convert to fraction form
    127,319.85/175,763.72 = 79,588.58/x
  3. Step 3: Cross multiply
    127,319.85x = 175,763.72 × 79,588.58
  4. Step 4: Simplify right side
    127,319.85x = 13,988,784,210.47
  5. Step 5: Solve for x
    x = 13,988,784,210.47/127,319.85
  6. Step 6: Final answer
    x = 109,871.20

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