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Finding the Fourth Proportional to 73,135.88, 100,931.46 and 41,306.12

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Solution

The fourth proportional to 73,135.88, 100,931.46 and 41,306.12 is: 57,004.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,135.88 : 100,931.46 = 41,306.12 : x
  2. Step 2: Convert to fraction form
    73,135.88/100,931.46 = 41,306.12/x
  3. Step 3: Cross multiply
    73,135.88x = 100,931.46 × 41,306.12
  4. Step 4: Simplify right side
    73,135.88x = 4,169,086,998.54
  5. Step 5: Solve for x
    x = 4,169,086,998.54/73,135.88
  6. Step 6: Final answer
    x = 57,004.67

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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.