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Finding the Fourth Proportional to 123,285.17, 184,929.01 and 39,043.76

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Solution

The fourth proportional to 123,285.17, 184,929.01 and 39,043.76 is: 58,566.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,285.17 : 184,929.01 = 39,043.76 : x
  2. Step 2: Convert to fraction form
    123,285.17/184,929.01 = 39,043.76/x
  3. Step 3: Cross multiply
    123,285.17x = 184,929.01 × 39,043.76
  4. Step 4: Simplify right side
    123,285.17x = 7,220,322,861.22
  5. Step 5: Solve for x
    x = 7,220,322,861.22/123,285.17
  6. Step 6: Final answer
    x = 58,566.03

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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.