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Finding the Fourth Proportional to 229,617.48, 344,425.74 and 63,405

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Solution

The fourth proportional to 229,617.48, 344,425.74 and 63,405 is: 95,107.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,617.48 : 344,425.74 = 63,405 : x
  2. Step 2: Convert to fraction form
    229,617.48/344,425.74 = 63,405/x
  3. Step 3: Cross multiply
    229,617.48x = 344,425.74 × 63,405
  4. Step 4: Simplify right side
    229,617.48x = 21,838,314,044.70
  5. Step 5: Solve for x
    x = 21,838,314,044.70/229,617.48
  6. Step 6: Final answer
    x = 95,107.37

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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.