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Finding the Fourth Proportional to 71,123.51, 106,701.15 and 26,750.64

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Solution

The fourth proportional to 71,123.51, 106,701.15 and 26,750.64 is: 40,131.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,123.51 : 106,701.15 = 26,750.64 : x
  2. Step 2: Convert to fraction form
    71,123.51/106,701.15 = 26,750.64/x
  3. Step 3: Cross multiply
    71,123.51x = 106,701.15 × 26,750.64
  4. Step 4: Simplify right side
    71,123.51x = 2,854,324,251.11
  5. Step 5: Solve for x
    x = 2,854,324,251.11/71,123.51
  6. Step 6: Final answer
    x = 40,131.94

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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.