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Finding the Fourth Proportional to 272,108.61, 375,379.25 and 234,317.25

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Solution

The fourth proportional to 272,108.61, 375,379.25 and 234,317.25 is: 323,245.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,108.61 : 375,379.25 = 234,317.25 : x
  2. Step 2: Convert to fraction form
    272,108.61/375,379.25 = 234,317.25/x
  3. Step 3: Cross multiply
    272,108.61x = 375,379.25 × 234,317.25
  4. Step 4: Simplify right side
    272,108.61x = 87,957,832,395.48
  5. Step 5: Solve for x
    x = 87,957,832,395.48/272,108.61
  6. Step 6: Final answer
    x = 323,245.31

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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.