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Finding the Fourth Proportional to 92,207.73, 127,258.79 and 51,929.37

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Solution

The fourth proportional to 92,207.73, 127,258.79 and 51,929.37 is: 71,669.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,207.73 : 127,258.79 = 51,929.37 : x
  2. Step 2: Convert to fraction form
    92,207.73/127,258.79 = 51,929.37/x
  3. Step 3: Cross multiply
    92,207.73x = 127,258.79 × 51,929.37
  4. Step 4: Simplify right side
    92,207.73x = 6,608,468,532.02
  5. Step 5: Solve for x
    x = 6,608,468,532.02/92,207.73
  6. Step 6: Final answer
    x = 71,669.35

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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.