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Finding the Fourth Proportional to 68,779.31, 94,956.87 and 44,945.87

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Solution

The fourth proportional to 68,779.31, 94,956.87 and 44,945.87 is: 62,052.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,779.31 : 94,956.87 = 44,945.87 : x
  2. Step 2: Convert to fraction form
    68,779.31/94,956.87 = 44,945.87/x
  3. Step 3: Cross multiply
    68,779.31x = 94,956.87 × 44,945.87
  4. Step 4: Simplify right side
    68,779.31x = 4,267,919,134.63
  5. Step 5: Solve for x
    x = 4,267,919,134.63/68,779.31
  6. Step 6: Final answer
    x = 62,052.37

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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.