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Finding the Fourth Proportional to 101,777, 140,452.32 and 62,033

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Solution

The fourth proportional to 101,777, 140,452.32 and 62,033 is: 85,605.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,777 : 140,452.32 = 62,033 : x
  2. Step 2: Convert to fraction form
    101,777/140,452.32 = 62,033/x
  3. Step 3: Cross multiply
    101,777x = 140,452.32 × 62,033
  4. Step 4: Simplify right side
    101,777x = 8,712,678,766.56
  5. Step 5: Solve for x
    x = 8,712,678,766.56/101,777
  6. Step 6: Final answer
    x = 85,605.58

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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.