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Finding the Fourth Proportional to 98,678.72, 148,066.68 and 46,080.56

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Solution

The fourth proportional to 98,678.72, 148,066.68 and 46,080.56 is: 69,143.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,678.72 : 148,066.68 = 46,080.56 : x
  2. Step 2: Convert to fraction form
    98,678.72/148,066.68 = 46,080.56/x
  3. Step 3: Cross multiply
    98,678.72x = 148,066.68 × 46,080.56
  4. Step 4: Simplify right side
    98,678.72x = 6,822,995,531.74
  5. Step 5: Solve for x
    x = 6,822,995,531.74/98,678.72
  6. Step 6: Final answer
    x = 69,143.54

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