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Finding the Fourth Proportional to 176,779.89, 264,819.92 and 154,618.29

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Solution

The fourth proportional to 176,779.89, 264,819.92 and 154,618.29 is: 231,621.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,779.89 : 264,819.92 = 154,618.29 : x
  2. Step 2: Convert to fraction form
    176,779.89/264,819.92 = 154,618.29/x
  3. Step 3: Cross multiply
    176,779.89x = 264,819.92 × 154,618.29
  4. Step 4: Simplify right side
    176,779.89x = 40,946,002,415.25
  5. Step 5: Solve for x
    x = 40,946,002,415.25/176,779.89
  6. Step 6: Final answer
    x = 231,621.38

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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.