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Finding the Fourth Proportional to 78,893.92, 108,883.89 and 44,895.79

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Solution

The fourth proportional to 78,893.92, 108,883.89 and 44,895.79 is: 61,962.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,893.92 : 108,883.89 = 44,895.79 : x
  2. Step 2: Convert to fraction form
    78,893.92/108,883.89 = 44,895.79/x
  3. Step 3: Cross multiply
    78,893.92x = 108,883.89 × 44,895.79
  4. Step 4: Simplify right side
    78,893.92x = 4,888,427,715.40
  5. Step 5: Solve for x
    x = 4,888,427,715.40/78,893.92
  6. Step 6: Final answer
    x = 61,962.04

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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.