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Finding the Fourth Proportional to 101,395.20, 152,092.80 and 34,910.40

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Solution

The fourth proportional to 101,395.20, 152,092.80 and 34,910.40 is: 52,365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,395.20 : 152,092.80 = 34,910.40 : x
  2. Step 2: Convert to fraction form
    101,395.20/152,092.80 = 34,910.40/x
  3. Step 3: Cross multiply
    101,395.20x = 152,092.80 × 34,910.40
  4. Step 4: Simplify right side
    101,395.20x = 5,309,620,485.12
  5. Step 5: Solve for x
    x = 5,309,620,485.12/101,395.20
  6. Step 6: Final answer
    x = 52,365.60

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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.