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Finding the Fourth Proportional to 101,212.40, 151,818.60 and 34,646.60

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Solution

The fourth proportional to 101,212.40, 151,818.60 and 34,646.60 is: 51,969.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,212.40 : 151,818.60 = 34,646.60 : x
  2. Step 2: Convert to fraction form
    101,212.40/151,818.60 = 34,646.60/x
  3. Step 3: Cross multiply
    101,212.40x = 151,818.60 × 34,646.60
  4. Step 4: Simplify right side
    101,212.40x = 5,259,998,306.76
  5. Step 5: Solve for x
    x = 5,259,998,306.76/101,212.40
  6. Step 6: Final answer
    x = 51,969.90

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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.