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Finding the Fourth Proportional to 67,953.87, 101,885.82 and 32,420.69

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Solution

The fourth proportional to 67,953.87, 101,885.82 and 32,420.69 is: 48,609.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,953.87 : 101,885.82 = 32,420.69 : x
  2. Step 2: Convert to fraction form
    67,953.87/101,885.82 = 32,420.69/x
  3. Step 3: Cross multiply
    67,953.87x = 101,885.82 × 32,420.69
  4. Step 4: Simplify right side
    67,953.87x = 3,303,208,076.19
  5. Step 5: Solve for x
    x = 3,303,208,076.19/67,953.87
  6. Step 6: Final answer
    x = 48,609.57

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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.