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Finding the Fourth Proportional to 229,207.50, 343,949.50 and 97,879.50

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Solution

The fourth proportional to 229,207.50, 343,949.50 and 97,879.50 is: 146,878.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,207.50 : 343,949.50 = 97,879.50 : x
  2. Step 2: Convert to fraction form
    229,207.50/343,949.50 = 97,879.50/x
  3. Step 3: Cross multiply
    229,207.50x = 343,949.50 × 97,879.50
  4. Step 4: Simplify right side
    229,207.50x = 33,665,605,085.25
  5. Step 5: Solve for x
    x = 33,665,605,085.25/229,207.50
  6. Step 6: Final answer
    x = 146,878.29

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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.