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Finding the Fourth Proportional to 223,674.75, 308,569.45 and 132,979.26

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Solution

The fourth proportional to 223,674.75, 308,569.45 and 132,979.26 is: 183,450.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,674.75 : 308,569.45 = 132,979.26 : x
  2. Step 2: Convert to fraction form
    223,674.75/308,569.45 = 132,979.26/x
  3. Step 3: Cross multiply
    223,674.75x = 308,569.45 × 132,979.26
  4. Step 4: Simplify right side
    223,674.75x = 41,033,334,911.86
  5. Step 5: Solve for x
    x = 41,033,334,911.86/223,674.75
  6. Step 6: Final answer
    x = 183,450.90

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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.