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Finding the Fourth Proportional to 295,553.50, 407,866.42 and 168,237.28

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Solution

The fourth proportional to 295,553.50, 407,866.42 and 168,237.28 is: 232,168.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,553.50 : 407,866.42 = 168,237.28 : x
  2. Step 2: Convert to fraction form
    295,553.50/407,866.42 = 168,237.28/x
  3. Step 3: Cross multiply
    295,553.50x = 407,866.42 × 168,237.28
  4. Step 4: Simplify right side
    295,553.50x = 68,618,337,104.14
  5. Step 5: Solve for x
    x = 68,618,337,104.14/295,553.50
  6. Step 6: Final answer
    x = 232,168.92

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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.