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Finding the Fourth Proportional to 85,089.42, 117,418.82 and 46,841.51

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Solution

The fourth proportional to 85,089.42, 117,418.82 and 46,841.51 is: 64,638.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,089.42 : 117,418.82 = 46,841.51 : x
  2. Step 2: Convert to fraction form
    85,089.42/117,418.82 = 46,841.51/x
  3. Step 3: Cross multiply
    85,089.42x = 117,418.82 × 46,841.51
  4. Step 4: Simplify right side
    85,089.42x = 5,500,074,890.56
  5. Step 5: Solve for x
    x = 5,500,074,890.56/85,089.42
  6. Step 6: Final answer
    x = 64,638.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.