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Finding the Fourth Proportional to 73,135.76, 100,926.60 and 41,304.56

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Solution

The fourth proportional to 73,135.76, 100,926.60 and 41,304.56 is: 56,999.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,135.76 : 100,926.60 = 41,304.56 : x
  2. Step 2: Convert to fraction form
    73,135.76/100,926.60 = 41,304.56/x
  3. Step 3: Cross multiply
    73,135.76x = 100,926.60 × 41,304.56
  4. Step 4: Simplify right side
    73,135.76x = 4,168,728,805.30
  5. Step 5: Solve for x
    x = 4,168,728,805.30/73,135.76
  6. Step 6: Final answer
    x = 56,999.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.