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Finding the Fourth Proportional to 264,927.93, 397,353.02 and 87,440.73

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Solution

The fourth proportional to 264,927.93, 397,353.02 and 87,440.73 is: 131,148.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,927.93 : 397,353.02 = 87,440.73 : x
  2. Step 2: Convert to fraction form
    264,927.93/397,353.02 = 87,440.73/x
  3. Step 3: Cross multiply
    264,927.93x = 397,353.02 × 87,440.73
  4. Step 4: Simplify right side
    264,927.93x = 34,744,837,699.30
  5. Step 5: Solve for x
    x = 34,744,837,699.30/264,927.93
  6. Step 6: Final answer
    x = 131,148.26

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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.