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Finding the Fourth Proportional to 123,592.40, 184,929.24 and 73,699.60

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Solution

The fourth proportional to 123,592.40, 184,929.24 and 73,699.60 is: 110,275.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,592.40 : 184,929.24 = 73,699.60 : x
  2. Step 2: Convert to fraction form
    123,592.40/184,929.24 = 73,699.60/x
  3. Step 3: Cross multiply
    123,592.40x = 184,929.24 × 73,699.60
  4. Step 4: Simplify right side
    123,592.40x = 13,629,211,016.30
  5. Step 5: Solve for x
    x = 13,629,211,016.30/123,592.40
  6. Step 6: Final answer
    x = 110,275.48

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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.