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Finding the Fourth Proportional to 234,583.89, 323,726.31 and 127,153.43

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Solution

The fourth proportional to 234,583.89, 323,726.31 and 127,153.43 is: 175,472.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,583.89 : 323,726.31 = 127,153.43 : x
  2. Step 2: Convert to fraction form
    234,583.89/323,726.31 = 127,153.43/x
  3. Step 3: Cross multiply
    234,583.89x = 323,726.31 × 127,153.43
  4. Step 4: Simplify right side
    234,583.89x = 41,162,911,030.23
  5. Step 5: Solve for x
    x = 41,162,911,030.23/234,583.89
  6. Step 6: Final answer
    x = 175,472.03

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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.