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Finding the Fourth Proportional to 228,803.59, 315,743.61 and 132,007.74

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Solution

The fourth proportional to 228,803.59, 315,743.61 and 132,007.74 is: 182,167.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,803.59 : 315,743.61 = 132,007.74 : x
  2. Step 2: Convert to fraction form
    228,803.59/315,743.61 = 132,007.74/x
  3. Step 3: Cross multiply
    228,803.59x = 315,743.61 × 132,007.74
  4. Step 4: Simplify right side
    228,803.59x = 41,680,600,375.54
  5. Step 5: Solve for x
    x = 41,680,600,375.54/228,803.59
  6. Step 6: Final answer
    x = 182,167.60

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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.