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Finding the Fourth Proportional to 106,515.58, 146,991.97 and 58,768.90

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Solution

The fourth proportional to 106,515.58, 146,991.97 and 58,768.90 is: 81,101.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,515.58 : 146,991.97 = 58,768.90 : x
  2. Step 2: Convert to fraction form
    106,515.58/146,991.97 = 58,768.90/x
  3. Step 3: Cross multiply
    106,515.58x = 146,991.97 × 58,768.90
  4. Step 4: Simplify right side
    106,515.58x = 8,638,556,385.73
  5. Step 5: Solve for x
    x = 8,638,556,385.73/106,515.58
  6. Step 6: Final answer
    x = 81,101.34

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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.