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Finding the Fourth Proportional to 61,537.48, 85,072.50 and 60,975.88

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Solution

The fourth proportional to 61,537.48, 85,072.50 and 60,975.88 is: 84,296.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,537.48 : 85,072.50 = 60,975.88 : x
  2. Step 2: Convert to fraction form
    61,537.48/85,072.50 = 60,975.88/x
  3. Step 3: Cross multiply
    61,537.48x = 85,072.50 × 60,975.88
  4. Step 4: Simplify right side
    61,537.48x = 5,187,370,551.30
  5. Step 5: Solve for x
    x = 5,187,370,551.30/61,537.48
  6. Step 6: Final answer
    x = 84,296.12

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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.