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Finding the Fourth Proportional to 228,800.72, 342,996.90 and 116,418.08

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Solution

The fourth proportional to 228,800.72, 342,996.90 and 116,418.08 is: 174,523.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,800.72 : 342,996.90 = 116,418.08 : x
  2. Step 2: Convert to fraction form
    228,800.72/342,996.90 = 116,418.08/x
  3. Step 3: Cross multiply
    228,800.72x = 342,996.90 × 116,418.08
  4. Step 4: Simplify right side
    228,800.72x = 39,931,040,543.95
  5. Step 5: Solve for x
    x = 39,931,040,543.95/228,800.72
  6. Step 6: Final answer
    x = 174,523.23

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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.