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Finding the Fourth Proportional to 234,151.56, 323,179.74 and 148,055.58

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Solution

The fourth proportional to 234,151.56, 323,179.74 and 148,055.58 is: 204,348.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,151.56 : 323,179.74 = 148,055.58 : x
  2. Step 2: Convert to fraction form
    234,151.56/323,179.74 = 148,055.58/x
  3. Step 3: Cross multiply
    234,151.56x = 323,179.74 × 148,055.58
  4. Step 4: Simplify right side
    234,151.56x = 47,848,563,849.95
  5. Step 5: Solve for x
    x = 47,848,563,849.95/234,151.56
  6. Step 6: Final answer
    x = 204,348.69

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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.