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Finding the Fourth Proportional to 98,412.30, 147,618.45 and 91,802.70

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Solution

The fourth proportional to 98,412.30, 147,618.45 and 91,802.70 is: 137,704.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,412.30 : 147,618.45 = 91,802.70 : x
  2. Step 2: Convert to fraction form
    98,412.30/147,618.45 = 91,802.70/x
  3. Step 3: Cross multiply
    98,412.30x = 147,618.45 × 91,802.70
  4. Step 4: Simplify right side
    98,412.30x = 13,551,772,279.82
  5. Step 5: Solve for x
    x = 13,551,772,279.82/98,412.30
  6. Step 6: Final answer
    x = 137,704.05

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