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Finding the Fourth Proportional to 78,896.43, 108,877.82 and 44,903.25

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Solution

The fourth proportional to 78,896.43, 108,877.82 and 44,903.25 is: 61,966.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,896.43 : 108,877.82 = 44,903.25 : x
  2. Step 2: Convert to fraction form
    78,896.43/108,877.82 = 44,903.25/x
  3. Step 3: Cross multiply
    78,896.43x = 108,877.82 × 44,903.25
  4. Step 4: Simplify right side
    78,896.43x = 4,888,967,746.40
  5. Step 5: Solve for x
    x = 4,888,967,746.40/78,896.43
  6. Step 6: Final answer
    x = 61,966.91

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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.