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Finding the Fourth Proportional to 123,675.98, 185,528.75 and 43,697.39

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Solution

The fourth proportional to 123,675.98, 185,528.75 and 43,697.39 is: 65,551.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,675.98 : 185,528.75 = 43,697.39 : x
  2. Step 2: Convert to fraction form
    123,675.98/185,528.75 = 43,697.39/x
  3. Step 3: Cross multiply
    123,675.98x = 185,528.75 × 43,697.39
  4. Step 4: Simplify right side
    123,675.98x = 8,107,120,998.83
  5. Step 5: Solve for x
    x = 8,107,120,998.83/123,675.98
  6. Step 6: Final answer
    x = 65,551.30

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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.