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Finding the Fourth Proportional to 251,279.96, 376,990.27 and 101,625.30

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Solution

The fourth proportional to 251,279.96, 376,990.27 and 101,625.30 is: 152,466.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,279.96 : 376,990.27 = 101,625.30 : x
  2. Step 2: Convert to fraction form
    251,279.96/376,990.27 = 101,625.30/x
  3. Step 3: Cross multiply
    251,279.96x = 376,990.27 × 101,625.30
  4. Step 4: Simplify right side
    251,279.96x = 38,311,749,031.77
  5. Step 5: Solve for x
    x = 38,311,749,031.77/251,279.96
  6. Step 6: Final answer
    x = 152,466.40

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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.