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Finding the Fourth Proportional to 185,793.65, 278,648.51 and 85,899.29

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Solution

The fourth proportional to 185,793.65, 278,648.51 and 85,899.29 is: 128,829.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,793.65 : 278,648.51 = 85,899.29 : x
  2. Step 2: Convert to fraction form
    185,793.65/278,648.51 = 85,899.29/x
  3. Step 3: Cross multiply
    185,793.65x = 278,648.51 × 85,899.29
  4. Step 4: Simplify right side
    185,793.65x = 23,935,707,345.82
  5. Step 5: Solve for x
    x = 23,935,707,345.82/185,793.65
  6. Step 6: Final answer
    x = 128,829.52

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