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Finding the Fourth Proportional to 234,586.99, 323,721.38 and 127,154.72

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Solution

The fourth proportional to 234,586.99, 323,721.38 and 127,154.72 is: 175,468.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,586.99 : 323,721.38 = 127,154.72 : x
  2. Step 2: Convert to fraction form
    234,586.99/323,721.38 = 127,154.72/x
  3. Step 3: Cross multiply
    234,586.99x = 323,721.38 × 127,154.72
  4. Step 4: Simplify right side
    234,586.99x = 41,162,701,431.91
  5. Step 5: Solve for x
    x = 41,162,701,431.91/234,586.99
  6. Step 6: Final answer
    x = 175,468.82

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