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Finding the Fourth Proportional to 228,807.48, 343,213.25 and 93,945.72

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Solution

The fourth proportional to 228,807.48, 343,213.25 and 93,945.72 is: 140,919.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,807.48 : 343,213.25 = 93,945.72 : x
  2. Step 2: Convert to fraction form
    228,807.48/343,213.25 = 93,945.72/x
  3. Step 3: Cross multiply
    228,807.48x = 343,213.25 × 93,945.72
  4. Step 4: Simplify right side
    228,807.48x = 32,243,415,884.79
  5. Step 5: Solve for x
    x = 32,243,415,884.79/228,807.48
  6. Step 6: Final answer
    x = 140,919.41

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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.