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Finding the Fourth Proportional to 123,958.04, 185,949.36 and 39,697.04

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Solution

The fourth proportional to 123,958.04, 185,949.36 and 39,697.04 is: 59,549.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,958.04 : 185,949.36 = 39,697.04 : x
  2. Step 2: Convert to fraction form
    123,958.04/185,949.36 = 39,697.04/x
  3. Step 3: Cross multiply
    123,958.04x = 185,949.36 × 39,697.04
  4. Step 4: Simplify right side
    123,958.04x = 7,381,639,181.89
  5. Step 5: Solve for x
    x = 7,381,639,181.89/123,958.04
  6. Step 6: Final answer
    x = 59,549.50

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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.