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Finding the Fourth Proportional to 308,552.79, 425,842.29 and 172,594.29

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Solution

The fourth proportional to 308,552.79, 425,842.29 and 172,594.29 is: 238,202.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,552.79 : 425,842.29 = 172,594.29 : x
  2. Step 2: Convert to fraction form
    308,552.79/425,842.29 = 172,594.29/x
  3. Step 3: Cross multiply
    308,552.79x = 425,842.29 × 172,594.29
  4. Step 4: Simplify right side
    308,552.79x = 73,497,947,694.52
  5. Step 5: Solve for x
    x = 73,497,947,694.52/308,552.79
  6. Step 6: Final answer
    x = 238,202.18

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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.