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Finding the Fourth Proportional to 273,079.22, 376,843.92 and 152,213.30

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Solution

The fourth proportional to 273,079.22, 376,843.92 and 152,213.30 is: 210,051.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,079.22 : 376,843.92 = 152,213.30 : x
  2. Step 2: Convert to fraction form
    273,079.22/376,843.92 = 152,213.30/x
  3. Step 3: Cross multiply
    273,079.22x = 376,843.92 × 152,213.30
  4. Step 4: Simplify right side
    273,079.22x = 57,360,656,648.14
  5. Step 5: Solve for x
    x = 57,360,656,648.14/273,079.22
  6. Step 6: Final answer
    x = 210,051.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.