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Finding the Fourth Proportional to 61,167.61, 91,775.92 and 27,903.34

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Solution

The fourth proportional to 61,167.61, 91,775.92 and 27,903.34 is: 41,866.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,167.61 : 91,775.92 = 27,903.34 : x
  2. Step 2: Convert to fraction form
    61,167.61/91,775.92 = 27,903.34/x
  3. Step 3: Cross multiply
    61,167.61x = 91,775.92 × 27,903.34
  4. Step 4: Simplify right side
    61,167.61x = 2,560,854,699.57
  5. Step 5: Solve for x
    x = 2,560,854,699.57/61,167.61
  6. Step 6: Final answer
    x = 41,866.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.