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Finding the Fourth Proportional to 228,847.05, 315,743.76 and 133,335.27

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Solution

The fourth proportional to 228,847.05, 315,743.76 and 133,335.27 is: 183,964.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,847.05 : 315,743.76 = 133,335.27 : x
  2. Step 2: Convert to fraction form
    228,847.05/315,743.76 = 133,335.27/x
  3. Step 3: Cross multiply
    228,847.05x = 315,743.76 × 133,335.27
  4. Step 4: Simplify right side
    228,847.05x = 42,099,779,490.42
  5. Step 5: Solve for x
    x = 42,099,779,490.42/228,847.05
  6. Step 6: Final answer
    x = 183,964.70

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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.