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Finding the Fourth Proportional to 92,136.88, 127,147.72 and 51,850.72

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Solution

The fourth proportional to 92,136.88, 127,147.72 and 51,850.72 is: 71,553.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,136.88 : 127,147.72 = 51,850.72 : x
  2. Step 2: Convert to fraction form
    92,136.88/127,147.72 = 51,850.72/x
  3. Step 3: Cross multiply
    92,136.88x = 127,147.72 × 51,850.72
  4. Step 4: Simplify right side
    92,136.88x = 6,592,700,828.36
  5. Step 5: Solve for x
    x = 6,592,700,828.36/92,136.88
  6. Step 6: Final answer
    x = 71,553.33

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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.