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Finding the Fourth Proportional to 123,702, 185,584.68 and 40,596.72

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Solution

The fourth proportional to 123,702, 185,584.68 and 40,596.72 is: 60,905.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,702 : 185,584.68 = 40,596.72 : x
  2. Step 2: Convert to fraction form
    123,702/185,584.68 = 40,596.72/x
  3. Step 3: Cross multiply
    123,702x = 185,584.68 × 40,596.72
  4. Step 4: Simplify right side
    123,702x = 7,534,129,290.25
  5. Step 5: Solve for x
    x = 7,534,129,290.25/123,702
  6. Step 6: Final answer
    x = 60,905.48

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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.