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Finding the Fourth Proportional to 56,131.81, 84,124.82 and 22,813.11

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Solution

The fourth proportional to 56,131.81, 84,124.82 and 22,813.11 is: 34,190.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,131.81 : 84,124.82 = 22,813.11 : x
  2. Step 2: Convert to fraction form
    56,131.81/84,124.82 = 22,813.11/x
  3. Step 3: Cross multiply
    56,131.81x = 84,124.82 × 22,813.11
  4. Step 4: Simplify right side
    56,131.81x = 1,919,148,772.39
  5. Step 5: Solve for x
    x = 1,919,148,772.39/56,131.81
  6. Step 6: Final answer
    x = 34,190.04

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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.