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Finding the Fourth Proportional to 173,389.92, 260,093.88 and 55,070.52

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Solution

The fourth proportional to 173,389.92, 260,093.88 and 55,070.52 is: 82,608.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,389.92 : 260,093.88 = 55,070.52 : x
  2. Step 2: Convert to fraction form
    173,389.92/260,093.88 = 55,070.52/x
  3. Step 3: Cross multiply
    173,389.92x = 260,093.88 × 55,070.52
  4. Step 4: Simplify right side
    173,389.92x = 14,323,505,220.42
  5. Step 5: Solve for x
    x = 14,323,505,220.42/173,389.92
  6. Step 6: Final answer
    x = 82,608.64

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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.