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Finding the Fourth Proportional to 99,273.29, 136,935.43 and 58,957.97

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Solution

The fourth proportional to 99,273.29, 136,935.43 and 58,957.97 is: 81,325.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,273.29 : 136,935.43 = 58,957.97 : x
  2. Step 2: Convert to fraction form
    99,273.29/136,935.43 = 58,957.97/x
  3. Step 3: Cross multiply
    99,273.29x = 136,935.43 × 58,957.97
  4. Step 4: Simplify right side
    99,273.29x = 8,073,434,141.81
  5. Step 5: Solve for x
    x = 8,073,434,141.81/99,273.29
  6. Step 6: Final answer
    x = 81,325.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.