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Finding the Fourth Proportional to 251,474.35, 377,174.61 and 83,000.19

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Solution

The fourth proportional to 251,474.35, 377,174.61 and 83,000.19 is: 124,488.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,474.35 : 377,174.61 = 83,000.19 : x
  2. Step 2: Convert to fraction form
    251,474.35/377,174.61 = 83,000.19/x
  3. Step 3: Cross multiply
    251,474.35x = 377,174.61 × 83,000.19
  4. Step 4: Simplify right side
    251,474.35x = 31,305,564,821.11
  5. Step 5: Solve for x
    x = 31,305,564,821.11/251,474.35
  6. Step 6: Final answer
    x = 124,488.10

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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.