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Finding the Fourth Proportional to 123,658.92, 185,466.84 and 57,093.36

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Solution

The fourth proportional to 123,658.92, 185,466.84 and 57,093.36 is: 85,630.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,658.92 : 185,466.84 = 57,093.36 : x
  2. Step 2: Convert to fraction form
    123,658.92/185,466.84 = 57,093.36/x
  3. Step 3: Cross multiply
    123,658.92x = 185,466.84 × 57,093.36
  4. Step 4: Simplify right side
    123,658.92x = 10,588,925,064.18
  5. Step 5: Solve for x
    x = 10,588,925,064.18/123,658.92
  6. Step 6: Final answer
    x = 85,630.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.