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Finding the Fourth Proportional to 295,358.88, 407,604.48 and 168,052.80

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Solution

The fourth proportional to 295,358.88, 407,604.48 and 168,052.80 is: 231,918.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,358.88 : 407,604.48 = 168,052.80 : x
  2. Step 2: Convert to fraction form
    295,358.88/407,604.48 = 168,052.80/x
  3. Step 3: Cross multiply
    295,358.88x = 407,604.48 × 168,052.80
  4. Step 4: Simplify right side
    295,358.88x = 68,499,074,156.54
  5. Step 5: Solve for x
    x = 68,499,074,156.54/295,358.88
  6. Step 6: Final answer
    x = 231,918.11

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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.