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Finding the Fourth Proportional to 83,987.08, 115,861.35 and 53,748.16

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Solution

The fourth proportional to 83,987.08, 115,861.35 and 53,748.16 is: 74,146.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,987.08 : 115,861.35 = 53,748.16 : x
  2. Step 2: Convert to fraction form
    83,987.08/115,861.35 = 53,748.16/x
  3. Step 3: Cross multiply
    83,987.08x = 115,861.35 × 53,748.16
  4. Step 4: Simplify right side
    83,987.08x = 6,227,334,320.89
  5. Step 5: Solve for x
    x = 6,227,334,320.89/83,987.08
  6. Step 6: Final answer
    x = 74,146.34

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