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Finding the Fourth Proportional to 85,775.38, 118,370.04 and 48,050.44

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Solution

The fourth proportional to 85,775.38, 118,370.04 and 48,050.44 is: 66,309.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,775.38 : 118,370.04 = 48,050.44 : x
  2. Step 2: Convert to fraction form
    85,775.38/118,370.04 = 48,050.44/x
  3. Step 3: Cross multiply
    85,775.38x = 118,370.04 × 48,050.44
  4. Step 4: Simplify right side
    85,775.38x = 5,687,732,504.82
  5. Step 5: Solve for x
    x = 5,687,732,504.82/85,775.38
  6. Step 6: Final answer
    x = 66,309.62

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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.