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Finding the Fourth Proportional to 234,492.51, 323,643.29 and 133,890.51

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Solution

The fourth proportional to 234,492.51, 323,643.29 and 133,890.51 is: 184,793.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,492.51 : 323,643.29 = 133,890.51 : x
  2. Step 2: Convert to fraction form
    234,492.51/323,643.29 = 133,890.51/x
  3. Step 3: Cross multiply
    234,492.51x = 323,643.29 × 133,890.51
  4. Step 4: Simplify right side
    234,492.51x = 43,332,764,486.73
  5. Step 5: Solve for x
    x = 43,332,764,486.73/234,492.51
  6. Step 6: Final answer
    x = 184,793.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.