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Finding the Fourth Proportional to 73,006.26, 100,748.45 and 40,740.54

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Solution

The fourth proportional to 73,006.26, 100,748.45 and 40,740.54 is: 56,221.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,006.26 : 100,748.45 = 40,740.54 : x
  2. Step 2: Convert to fraction form
    73,006.26/100,748.45 = 40,740.54/x
  3. Step 3: Cross multiply
    73,006.26x = 100,748.45 × 40,740.54
  4. Step 4: Simplify right side
    73,006.26x = 4,104,546,359.01
  5. Step 5: Solve for x
    x = 4,104,546,359.01/73,006.26
  6. Step 6: Final answer
    x = 56,221.84

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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.