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Finding the Fourth Proportional to 251,269.62, 376,974.78 and 101,615.00

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Solution

The fourth proportional to 251,269.62, 376,974.78 and 101,615.00 is: 152,450.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,269.62 : 376,974.78 = 101,615.00 : x
  2. Step 2: Convert to fraction form
    251,269.62/376,974.78 = 101,615.00/x
  3. Step 3: Cross multiply
    251,269.62x = 376,974.78 × 101,615.00
  4. Step 4: Simplify right side
    251,269.62x = 38,306,290,384.83
  5. Step 5: Solve for x
    x = 38,306,290,384.83/251,269.62
  6. Step 6: Final answer
    x = 152,450.94

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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.