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Finding the Fourth Proportional to 193,003.60, 289,764.60 and 123,192.40

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Solution

The fourth proportional to 193,003.60, 289,764.60 and 123,192.40 is: 184,954.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,003.60 : 289,764.60 = 123,192.40 : x
  2. Step 2: Convert to fraction form
    193,003.60/289,764.60 = 123,192.40/x
  3. Step 3: Cross multiply
    193,003.60x = 289,764.60 × 123,192.40
  4. Step 4: Simplify right side
    193,003.60x = 35,696,796,509.04
  5. Step 5: Solve for x
    x = 35,696,796,509.04/193,003.60
  6. Step 6: Final answer
    x = 184,954.04

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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.