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Finding the Fourth Proportional to 92,133.88, 127,143.25 and 51,847.62

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Solution

The fourth proportional to 92,133.88, 127,143.25 and 51,847.62 is: 71,548.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,133.88 : 127,143.25 = 51,847.62 : x
  2. Step 2: Convert to fraction form
    92,133.88/127,143.25 = 51,847.62/x
  3. Step 3: Cross multiply
    92,133.88x = 127,143.25 × 51,847.62
  4. Step 4: Simplify right side
    92,133.88x = 6,592,074,911.57
  5. Step 5: Solve for x
    x = 6,592,074,911.57/92,133.88
  6. Step 6: Final answer
    x = 71,548.87

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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.