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Finding the Fourth Proportional to 56,764, 78,203.91 and 44,822.98

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Solution

The fourth proportional to 56,764, 78,203.91 and 44,822.98 is: 61,752.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,764 : 78,203.91 = 44,822.98 : x
  2. Step 2: Convert to fraction form
    56,764/78,203.91 = 44,822.98/x
  3. Step 3: Cross multiply
    56,764x = 78,203.91 × 44,822.98
  4. Step 4: Simplify right side
    56,764x = 3,505,332,293.85
  5. Step 5: Solve for x
    x = 3,505,332,293.85/56,764
  6. Step 6: Final answer
    x = 61,752.74

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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.