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Finding the Fourth Proportional to 73,575.74, 110,213.81 and 67,445.30

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Solution

The fourth proportional to 73,575.74, 110,213.81 and 67,445.30 is: 101,030.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,575.74 : 110,213.81 = 67,445.30 : x
  2. Step 2: Convert to fraction form
    73,575.74/110,213.81 = 67,445.30/x
  3. Step 3: Cross multiply
    73,575.74x = 110,213.81 × 67,445.30
  4. Step 4: Simplify right side
    73,575.74x = 7,433,402,591.30
  5. Step 5: Solve for x
    x = 7,433,402,591.30/73,575.74
  6. Step 6: Final answer
    x = 101,030.63

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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.