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Finding the Fourth Proportional to 101,638.59, 152,396.37 and 45,468.24

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Solution

The fourth proportional to 101,638.59, 152,396.37 and 45,468.24 is: 68,174.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,638.59 : 152,396.37 = 45,468.24 : x
  2. Step 2: Convert to fraction form
    101,638.59/152,396.37 = 45,468.24/x
  3. Step 3: Cross multiply
    101,638.59x = 152,396.37 × 45,468.24
  4. Step 4: Simplify right side
    101,638.59x = 6,929,194,726.29
  5. Step 5: Solve for x
    x = 6,929,194,726.29/101,638.59
  6. Step 6: Final answer
    x = 68,174.84

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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.