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Finding the Fourth Proportional to 99,240.60, 136,952.19 and 53,918.76

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Solution

The fourth proportional to 99,240.60, 136,952.19 and 53,918.76 is: 74,407.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,240.60 : 136,952.19 = 53,918.76 : x
  2. Step 2: Convert to fraction form
    99,240.60/136,952.19 = 53,918.76/x
  3. Step 3: Cross multiply
    99,240.60x = 136,952.19 × 53,918.76
  4. Step 4: Simplify right side
    99,240.60x = 7,384,292,264.08
  5. Step 5: Solve for x
    x = 7,384,292,264.08/99,240.60
  6. Step 6: Final answer
    x = 74,407.98

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