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Finding the Fourth Proportional to 78,694.58, 108,595.15 and 44,702.97

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Solution

The fourth proportional to 78,694.58, 108,595.15 and 44,702.97 is: 61,688.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,694.58 : 108,595.15 = 44,702.97 : x
  2. Step 2: Convert to fraction form
    78,694.58/108,595.15 = 44,702.97/x
  3. Step 3: Cross multiply
    78,694.58x = 108,595.15 × 44,702.97
  4. Step 4: Simplify right side
    78,694.58x = 4,854,525,620.84
  5. Step 5: Solve for x
    x = 4,854,525,620.84/78,694.58
  6. Step 6: Final answer
    x = 61,688.18

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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.