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Finding the Fourth Proportional to 78,773.34, 108,702.87 and 44,777.10

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Solution

The fourth proportional to 78,773.34, 108,702.87 and 44,777.10 is: 61,789.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,773.34 : 108,702.87 = 44,777.10 : x
  2. Step 2: Convert to fraction form
    78,773.34/108,702.87 = 44,777.10/x
  3. Step 3: Cross multiply
    78,773.34x = 108,702.87 × 44,777.10
  4. Step 4: Simplify right side
    78,773.34x = 4,867,399,280.28
  5. Step 5: Solve for x
    x = 4,867,399,280.28/78,773.34
  6. Step 6: Final answer
    x = 61,789.93

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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.