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Finding the Fourth Proportional to 228,865.36, 315,818.76 and 132,073.24

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Solution

The fourth proportional to 228,865.36, 315,818.76 and 132,073.24 is: 182,252.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,865.36 : 315,818.76 = 132,073.24 : x
  2. Step 2: Convert to fraction form
    228,865.36/315,818.76 = 132,073.24/x
  3. Step 3: Cross multiply
    228,865.36x = 315,818.76 × 132,073.24
  4. Step 4: Simplify right side
    228,865.36x = 41,711,206,885.98
  5. Step 5: Solve for x
    x = 41,711,206,885.98/228,865.36
  6. Step 6: Final answer
    x = 182,252.16

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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.