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Finding the Fourth Proportional to 101,214.80, 151,821.84 and 38,841.60

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Solution

The fourth proportional to 101,214.80, 151,821.84 and 38,841.60 is: 58,262.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,214.80 : 151,821.84 = 38,841.60 : x
  2. Step 2: Convert to fraction form
    101,214.80/151,821.84 = 38,841.60/x
  3. Step 3: Cross multiply
    101,214.80x = 151,821.84 × 38,841.60
  4. Step 4: Simplify right side
    101,214.80x = 5,897,003,180.54
  5. Step 5: Solve for x
    x = 5,897,003,180.54/101,214.80
  6. Step 6: Final answer
    x = 58,262.26

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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.