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Finding the Fourth Proportional to 92,208.86, 127,260.35 and 51,930.50

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Solution

The fourth proportional to 92,208.86, 127,260.35 and 51,930.50 is: 71,670.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,208.86 : 127,260.35 = 51,930.50 : x
  2. Step 2: Convert to fraction form
    92,208.86/127,260.35 = 51,930.50/x
  3. Step 3: Cross multiply
    92,208.86x = 127,260.35 × 51,930.50
  4. Step 4: Simplify right side
    92,208.86x = 6,608,692,709.72
  5. Step 5: Solve for x
    x = 6,608,692,709.72/92,208.86
  6. Step 6: Final answer
    x = 71,670.91

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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.