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Finding the Fourth Proportional to 61,614.54, 92,421.81 and 22,170.65

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Solution

The fourth proportional to 61,614.54, 92,421.81 and 22,170.65 is: 33,255.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,614.54 : 92,421.81 = 22,170.65 : x
  2. Step 2: Convert to fraction form
    61,614.54/92,421.81 = 22,170.65/x
  3. Step 3: Cross multiply
    61,614.54x = 92,421.81 × 22,170.65
  4. Step 4: Simplify right side
    61,614.54x = 2,049,051,139.77
  5. Step 5: Solve for x
    x = 2,049,051,139.77/61,614.54
  6. Step 6: Final answer
    x = 33,255.97

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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.