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Finding the Fourth Proportional to 219,108.51, 328,659.39 and 112,430.93

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Solution

The fourth proportional to 219,108.51, 328,659.39 and 112,430.93 is: 168,644.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,108.51 : 328,659.39 = 112,430.93 : x
  2. Step 2: Convert to fraction form
    219,108.51/328,659.39 = 112,430.93/x
  3. Step 3: Cross multiply
    219,108.51x = 328,659.39 × 112,430.93
  4. Step 4: Simplify right side
    219,108.51x = 36,951,479,227.64
  5. Step 5: Solve for x
    x = 36,951,479,227.64/219,108.51
  6. Step 6: Final answer
    x = 168,644.66

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