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Finding the Fourth Proportional to 251,125.30, 376,748.70 and 73,638.10

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Solution

The fourth proportional to 251,125.30, 376,748.70 and 73,638.10 is: 110,474.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,125.30 : 376,748.70 = 73,638.10 : x
  2. Step 2: Convert to fraction form
    251,125.30/376,748.70 = 73,638.10/x
  3. Step 3: Cross multiply
    251,125.30x = 376,748.70 × 73,638.10
  4. Step 4: Simplify right side
    251,125.30x = 27,743,058,445.47
  5. Step 5: Solve for x
    x = 27,743,058,445.47/251,125.30
  6. Step 6: Final answer
    x = 110,474.96

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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.