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Finding the Fourth Proportional to 106,491.66, 146,957.67 and 58,747.02

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Solution

The fourth proportional to 106,491.66, 146,957.67 and 58,747.02 is: 81,070.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,491.66 : 146,957.67 = 58,747.02 : x
  2. Step 2: Convert to fraction form
    106,491.66/146,957.67 = 58,747.02/x
  3. Step 3: Cross multiply
    106,491.66x = 146,957.67 × 58,747.02
  4. Step 4: Simplify right side
    106,491.66x = 8,633,325,178.64
  5. Step 5: Solve for x
    x = 8,633,325,178.64/106,491.66
  6. Step 6: Final answer
    x = 81,070.43

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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.