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Finding the Fourth Proportional to 146,930.72, 202,764.36 and 79,862.72

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Solution

The fourth proportional to 146,930.72, 202,764.36 and 79,862.72 is: 110,210.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,930.72 : 202,764.36 = 79,862.72 : x
  2. Step 2: Convert to fraction form
    146,930.72/202,764.36 = 79,862.72/x
  3. Step 3: Cross multiply
    146,930.72x = 202,764.36 × 79,862.72
  4. Step 4: Simplify right side
    146,930.72x = 16,193,313,308.66
  5. Step 5: Solve for x
    x = 16,193,313,308.66/146,930.72
  6. Step 6: Final answer
    x = 110,210.54

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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.