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Finding the Fourth Proportional to 70,766.34, 106,167.33 and 26,394.54

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Solution

The fourth proportional to 70,766.34, 106,167.33 and 26,394.54 is: 39,598.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,766.34 : 106,167.33 = 26,394.54 : x
  2. Step 2: Convert to fraction form
    70,766.34/106,167.33 = 26,394.54/x
  3. Step 3: Cross multiply
    70,766.34x = 106,167.33 × 26,394.54
  4. Step 4: Simplify right side
    70,766.34x = 2,802,237,838.38
  5. Step 5: Solve for x
    x = 2,802,237,838.38/70,766.34
  6. Step 6: Final answer
    x = 39,598.46

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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.