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Finding the Fourth Proportional to 92,562.95, 127,734.30 and 54,837.20

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Solution

The fourth proportional to 92,562.95, 127,734.30 and 54,837.20 is: 75,673.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,562.95 : 127,734.30 = 54,837.20 : x
  2. Step 2: Convert to fraction form
    92,562.95/127,734.30 = 54,837.20/x
  3. Step 3: Cross multiply
    92,562.95x = 127,734.30 × 54,837.20
  4. Step 4: Simplify right side
    92,562.95x = 7,004,590,717.29
  5. Step 5: Solve for x
    x = 7,004,590,717.29/92,562.95
  6. Step 6: Final answer
    x = 75,673.81

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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.