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Finding the Fourth Proportional to 61,670.70, 85,114.98 and 44,751.78

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Solution

The fourth proportional to 61,670.70, 85,114.98 and 44,751.78 is: 61,764.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,670.70 : 85,114.98 = 44,751.78 : x
  2. Step 2: Convert to fraction form
    61,670.70/85,114.98 = 44,751.78/x
  3. Step 3: Cross multiply
    61,670.70x = 85,114.98 × 44,751.78
  4. Step 4: Simplify right side
    61,670.70x = 3,809,046,859.66
  5. Step 5: Solve for x
    x = 3,809,046,859.66/61,670.70
  6. Step 6: Final answer
    x = 61,764.29

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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.