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Finding the Fourth Proportional to 140,735.01, 211,102.95 and 34,118.53

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Solution

The fourth proportional to 140,735.01, 211,102.95 and 34,118.53 is: 51,177.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,735.01 : 211,102.95 = 34,118.53 : x
  2. Step 2: Convert to fraction form
    140,735.01/211,102.95 = 34,118.53/x
  3. Step 3: Cross multiply
    140,735.01x = 211,102.95 × 34,118.53
  4. Step 4: Simplify right side
    140,735.01x = 7,202,521,989.82
  5. Step 5: Solve for x
    x = 7,202,521,989.82/140,735.01
  6. Step 6: Final answer
    x = 51,177.90

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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.