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Finding the Fourth Proportional to 106,352.55, 146,764.64 and 57,954.91

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Solution

The fourth proportional to 106,352.55, 146,764.64 and 57,954.91 is: 79,976.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,352.55 : 146,764.64 = 57,954.91 : x
  2. Step 2: Convert to fraction form
    106,352.55/146,764.64 = 57,954.91/x
  3. Step 3: Cross multiply
    106,352.55x = 146,764.64 × 57,954.91
  4. Step 4: Simplify right side
    106,352.55x = 8,505,731,555.54
  5. Step 5: Solve for x
    x = 8,505,731,555.54/106,352.55
  6. Step 6: Final answer
    x = 79,976.75

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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.