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Finding the Fourth Proportional to 182,553.90, 251,915.40 and 101,965.38

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Solution

The fourth proportional to 182,553.90, 251,915.40 and 101,965.38 is: 140,707.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,553.90 : 251,915.40 = 101,965.38 : x
  2. Step 2: Convert to fraction form
    182,553.90/251,915.40 = 101,965.38/x
  3. Step 3: Cross multiply
    182,553.90x = 251,915.40 × 101,965.38
  4. Step 4: Simplify right side
    182,553.90x = 25,686,649,488.85
  5. Step 5: Solve for x
    x = 25,686,649,488.85/182,553.90
  6. Step 6: Final answer
    x = 140,707.21

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1.5x scale

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.