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Finding the Fourth Proportional to 106,137.47, 146,469.92 and 58,393.77

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Solution

The fourth proportional to 106,137.47, 146,469.92 and 58,393.77 is: 80,583.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,137.47 : 146,469.92 = 58,393.77 : x
  2. Step 2: Convert to fraction form
    106,137.47/146,469.92 = 58,393.77/x
  3. Step 3: Cross multiply
    106,137.47x = 146,469.92 × 58,393.77
  4. Step 4: Simplify right side
    106,137.47x = 8,552,930,528.43
  5. Step 5: Solve for x
    x = 8,552,930,528.43/106,137.47
  6. Step 6: Final answer
    x = 80,583.52

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1.5x scale

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.