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Finding the Fourth Proportional to 93,702.22, 129,310.09 and 51,259.84

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Solution

The fourth proportional to 93,702.22, 129,310.09 and 51,259.84 is: 70,739.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,702.22 : 129,310.09 = 51,259.84 : x
  2. Step 2: Convert to fraction form
    93,702.22/129,310.09 = 51,259.84/x
  3. Step 3: Cross multiply
    93,702.22x = 129,310.09 × 51,259.84
  4. Step 4: Simplify right side
    93,702.22x = 6,628,414,523.79
  5. Step 5: Solve for x
    x = 6,628,414,523.79/93,702.22
  6. Step 6: Final answer
    x = 70,739.14

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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.