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Finding the Fourth Proportional to 93,702.73, 129,310.78 and 51,260.35

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Solution

The fourth proportional to 93,702.73, 129,310.78 and 51,260.35 is: 70,739.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,702.73 : 129,310.78 = 51,260.35 : x
  2. Step 2: Convert to fraction form
    93,702.73/129,310.78 = 51,260.35/x
  3. Step 3: Cross multiply
    93,702.73x = 129,310.78 × 51,260.35
  4. Step 4: Simplify right side
    93,702.73x = 6,628,515,195.02
  5. Step 5: Solve for x
    x = 6,628,515,195.02/93,702.73
  6. Step 6: Final answer
    x = 70,739.83

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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.