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Finding the Fourth Proportional to 101,930.90, 152,835.77 and 38,755.64

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Solution

The fourth proportional to 101,930.90, 152,835.77 and 38,755.64 is: 58,110.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,930.90 : 152,835.77 = 38,755.64 : x
  2. Step 2: Convert to fraction form
    101,930.90/152,835.77 = 38,755.64/x
  3. Step 3: Cross multiply
    101,930.90x = 152,835.77 × 38,755.64
  4. Step 4: Simplify right side
    101,930.90x = 5,923,248,560.22
  5. Step 5: Solve for x
    x = 5,923,248,560.22/101,930.90
  6. Step 6: Final answer
    x = 58,110.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.