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Finding the Fourth Proportional to 536,864.70, 805,278.58 and 137,508.93

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Solution

The fourth proportional to 536,864.70, 805,278.58 and 137,508.93 is: 206,258.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,864.70 : 805,278.58 = 137,508.93 : x
  2. Step 2: Convert to fraction form
    536,864.70/805,278.58 = 137,508.93/x
  3. Step 3: Cross multiply
    536,864.70x = 805,278.58 × 137,508.93
  4. Step 4: Simplify right side
    536,864.70x = 110,732,995,887.72
  5. Step 5: Solve for x
    x = 110,732,995,887.72/536,864.70
  6. Step 6: Final answer
    x = 206,258.66

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