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Finding the Fourth Proportional to 373,051.89, 559,139.49 and 172,951.11

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Solution

The fourth proportional to 373,051.89, 559,139.49 and 172,951.11 is: 259,223.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,051.89 : 559,139.49 = 172,951.11 : x
  2. Step 2: Convert to fraction form
    373,051.89/559,139.49 = 172,951.11/x
  3. Step 3: Cross multiply
    373,051.89x = 559,139.49 × 172,951.11
  4. Step 4: Simplify right side
    373,051.89x = 96,703,795,440.33
  5. Step 5: Solve for x
    x = 96,703,795,440.33/373,051.89
  6. Step 6: Final answer
    x = 259,223.44

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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.