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Finding the Fourth Proportional to 123,534.72, 185,300.26 and 39,299.99

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Solution

The fourth proportional to 123,534.72, 185,300.26 and 39,299.99 is: 58,949.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,534.72 : 185,300.26 = 39,299.99 : x
  2. Step 2: Convert to fraction form
    123,534.72/185,300.26 = 39,299.99/x
  3. Step 3: Cross multiply
    123,534.72x = 185,300.26 × 39,299.99
  4. Step 4: Simplify right side
    123,534.72x = 7,282,297,340.25
  5. Step 5: Solve for x
    x = 7,282,297,340.25/123,534.72
  6. Step 6: Final answer
    x = 58,949.40

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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.