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Finding the Fourth Proportional to 296,178.69, 443,865.44 and 125,258.31

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Solution

The fourth proportional to 296,178.69, 443,865.44 and 125,258.31 is: 187,717.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,178.69 : 443,865.44 = 125,258.31 : x
  2. Step 2: Convert to fraction form
    296,178.69/443,865.44 = 125,258.31/x
  3. Step 3: Cross multiply
    296,178.69x = 443,865.44 × 125,258.31
  4. Step 4: Simplify right side
    296,178.69x = 55,597,834,255.51
  5. Step 5: Solve for x
    x = 55,597,834,255.51/296,178.69
  6. Step 6: Final answer
    x = 187,717.20

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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.