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Finding the Fourth Proportional to 92,632.38, 127,830.02 and 54,391.29

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Solution

The fourth proportional to 92,632.38, 127,830.02 and 54,391.29 is: 75,058.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,632.38 : 127,830.02 = 54,391.29 : x
  2. Step 2: Convert to fraction form
    92,632.38/127,830.02 = 54,391.29/x
  3. Step 3: Cross multiply
    92,632.38x = 127,830.02 × 54,391.29
  4. Step 4: Simplify right side
    92,632.38x = 6,952,839,416.57
  5. Step 5: Solve for x
    x = 6,952,839,416.57/92,632.38
  6. Step 6: Final answer
    x = 75,058.41

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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.