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Finding the Fourth Proportional to 92,705.54, 127,934.62 and 54,466.66

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Solution

The fourth proportional to 92,705.54, 127,934.62 and 54,466.66 is: 75,164.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,705.54 : 127,934.62 = 54,466.66 : x
  2. Step 2: Convert to fraction form
    92,705.54/127,934.62 = 54,466.66/x
  3. Step 3: Cross multiply
    92,705.54x = 127,934.62 × 54,466.66
  4. Step 4: Simplify right side
    92,705.54x = 6,968,171,449.77
  5. Step 5: Solve for x
    x = 6,968,171,449.77/92,705.54
  6. Step 6: Final answer
    x = 75,164.56

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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.