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Finding the Fourth Proportional to 93,603.40, 129,168.24 and 51,162

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Solution

The fourth proportional to 93,603.40, 129,168.24 and 51,162 is: 70,601.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,603.40 : 129,168.24 = 51,162 : x
  2. Step 2: Convert to fraction form
    93,603.40/129,168.24 = 51,162/x
  3. Step 3: Cross multiply
    93,603.40x = 129,168.24 × 51,162
  4. Step 4: Simplify right side
    93,603.40x = 6,608,505,494.88
  5. Step 5: Solve for x
    x = 6,608,505,494.88/93,603.40
  6. Step 6: Final answer
    x = 70,601.13

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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.