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Finding the Fourth Proportional to 98,368.52, 135,748.98 and 53,657.48

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Solution

The fourth proportional to 98,368.52, 135,748.98 and 53,657.48 is: 74,047.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,368.52 : 135,748.98 = 53,657.48 : x
  2. Step 2: Convert to fraction form
    98,368.52/135,748.98 = 53,657.48/x
  3. Step 3: Cross multiply
    98,368.52x = 135,748.98 × 53,657.48
  4. Step 4: Simplify right side
    98,368.52x = 7,283,948,179.37
  5. Step 5: Solve for x
    x = 7,283,948,179.37/98,368.52
  6. Step 6: Final answer
    x = 74,047.55

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