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Finding the Fourth Proportional to 106,377.43, 146,801.74 and 58,630.90

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Solution

The fourth proportional to 106,377.43, 146,801.74 and 58,630.90 is: 80,911.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,377.43 : 146,801.74 = 58,630.90 : x
  2. Step 2: Convert to fraction form
    106,377.43/146,801.74 = 58,630.90/x
  3. Step 3: Cross multiply
    106,377.43x = 146,801.74 × 58,630.90
  4. Step 4: Simplify right side
    106,377.43x = 8,607,118,137.77
  5. Step 5: Solve for x
    x = 8,607,118,137.77/106,377.43
  6. Step 6: Final answer
    x = 80,911.13

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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.