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Finding the Fourth Proportional to 88,893.80, 122,772.47 and 82,167.76

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Solution

The fourth proportional to 88,893.80, 122,772.47 and 82,167.76 is: 113,483.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,893.80 : 122,772.47 = 82,167.76 : x
  2. Step 2: Convert to fraction form
    88,893.80/122,772.47 = 82,167.76/x
  3. Step 3: Cross multiply
    88,893.80x = 122,772.47 × 82,167.76
  4. Step 4: Simplify right side
    88,893.80x = 10,087,937,824.87
  5. Step 5: Solve for x
    x = 10,087,937,824.87/88,893.80
  6. Step 6: Final answer
    x = 113,483.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.