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Finding the Fourth Proportional to 191,103.95, 263,726.40 and 105,066.66

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Solution

The fourth proportional to 191,103.95, 263,726.40 and 105,066.66 is: 144,993.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,103.95 : 263,726.40 = 105,066.66 : x
  2. Step 2: Convert to fraction form
    191,103.95/263,726.40 = 105,066.66/x
  3. Step 3: Cross multiply
    191,103.95x = 263,726.40 × 105,066.66
  4. Step 4: Simplify right side
    191,103.95x = 27,708,852,001.82
  5. Step 5: Solve for x
    x = 27,708,852,001.82/191,103.95
  6. Step 6: Final answer
    x = 144,993.61

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