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Finding the Fourth Proportional to 100,394.60, 150,605.80 and 33,853.76

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Solution

The fourth proportional to 100,394.60, 150,605.80 and 33,853.76 is: 50,785.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,394.60 : 150,605.80 = 33,853.76 : x
  2. Step 2: Convert to fraction form
    100,394.60/150,605.80 = 33,853.76/x
  3. Step 3: Cross multiply
    100,394.60x = 150,605.80 × 33,853.76
  4. Step 4: Simplify right side
    100,394.60x = 5,098,572,607.81
  5. Step 5: Solve for x
    x = 5,098,572,607.81/100,394.60
  6. Step 6: Final answer
    x = 50,785.33

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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.