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Finding the Fourth Proportional to 106,254.87, 146,628.87 and 58,508.61

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Solution

The fourth proportional to 106,254.87, 146,628.87 and 58,508.61 is: 80,740.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,254.87 : 146,628.87 = 58,508.61 : x
  2. Step 2: Convert to fraction form
    106,254.87/146,628.87 = 58,508.61/x
  3. Step 3: Cross multiply
    106,254.87x = 146,628.87 × 58,508.61
  4. Step 4: Simplify right side
    106,254.87x = 8,579,051,369.57
  5. Step 5: Solve for x
    x = 8,579,051,369.57/106,254.87
  6. Step 6: Final answer
    x = 80,740.31

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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.