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Finding the Fourth Proportional to 295,076.81, 443,058.08 and 168,859.57

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Solution

The fourth proportional to 295,076.81, 443,058.08 and 168,859.57 is: 253,542.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,076.81 : 443,058.08 = 168,859.57 : x
  2. Step 2: Convert to fraction form
    295,076.81/443,058.08 = 168,859.57/x
  3. Step 3: Cross multiply
    295,076.81x = 443,058.08 × 168,859.57
  4. Step 4: Simplify right side
    295,076.81x = 74,814,594,921.88
  5. Step 5: Solve for x
    x = 74,814,594,921.88/295,076.81
  6. Step 6: Final answer
    x = 253,542.78

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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.