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Finding the Fourth Proportional to 92,040.84, 127,020.84 and 51,767.28

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Solution

The fourth proportional to 92,040.84, 127,020.84 and 51,767.28 is: 71,441.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,040.84 : 127,020.84 = 51,767.28 : x
  2. Step 2: Convert to fraction form
    92,040.84/127,020.84 = 51,767.28/x
  3. Step 3: Cross multiply
    92,040.84x = 127,020.84 × 51,767.28
  4. Step 4: Simplify right side
    92,040.84x = 6,575,523,390.12
  5. Step 5: Solve for x
    x = 6,575,523,390.12/92,040.84
  6. Step 6: Final answer
    x = 71,441.37

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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.