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Finding the Fourth Proportional to 123,593.70, 185,388.75 and 39,352.89

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Solution

The fourth proportional to 123,593.70, 185,388.75 and 39,352.89 is: 59,028.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,593.70 : 185,388.75 = 39,352.89 : x
  2. Step 2: Convert to fraction form
    123,593.70/185,388.75 = 39,352.89/x
  3. Step 3: Cross multiply
    123,593.70x = 185,388.75 × 39,352.89
  4. Step 4: Simplify right side
    123,593.70x = 7,295,583,085.99
  5. Step 5: Solve for x
    x = 7,295,583,085.99/123,593.70
  6. Step 6: Final answer
    x = 59,028.76

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1.5x scale

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.