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Finding the Fourth Proportional to 250,072.56, 375,108.96 and 109,832.40

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Solution

The fourth proportional to 250,072.56, 375,108.96 and 109,832.40 is: 164,748.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,072.56 : 375,108.96 = 109,832.40 : x
  2. Step 2: Convert to fraction form
    250,072.56/375,108.96 = 109,832.40/x
  3. Step 3: Cross multiply
    250,072.56x = 375,108.96 × 109,832.40
  4. Step 4: Simplify right side
    250,072.56x = 41,199,117,338.30
  5. Step 5: Solve for x
    x = 41,199,117,338.30/250,072.56
  6. Step 6: Final answer
    x = 164,748.65

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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.