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Finding the Fourth Proportional to 67,041.42, 100,604.48 and 37,478.65

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Solution

The fourth proportional to 67,041.42, 100,604.48 and 37,478.65 is: 56,241.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,041.42 : 100,604.48 = 37,478.65 : x
  2. Step 2: Convert to fraction form
    67,041.42/100,604.48 = 37,478.65/x
  3. Step 3: Cross multiply
    67,041.42x = 100,604.48 × 37,478.65
  4. Step 4: Simplify right side
    67,041.42x = 3,770,520,094.35
  5. Step 5: Solve for x
    x = 3,770,520,094.35/67,041.42
  6. Step 6: Final answer
    x = 56,241.65

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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.