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Finding the Fourth Proportional to 173,825.76, 260,779.32 and 53,876.44

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Solution

The fourth proportional to 173,825.76, 260,779.32 and 53,876.44 is: 80,827.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,825.76 : 260,779.32 = 53,876.44 : x
  2. Step 2: Convert to fraction form
    173,825.76/260,779.32 = 53,876.44/x
  3. Step 3: Cross multiply
    173,825.76x = 260,779.32 × 53,876.44
  4. Step 4: Simplify right side
    173,825.76x = 14,049,861,864.72
  5. Step 5: Solve for x
    x = 14,049,861,864.72/173,825.76
  6. Step 6: Final answer
    x = 80,827.27

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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.