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Finding the Fourth Proportional to 173,893.60, 260,712.78 and 55,496.68

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Solution

The fourth proportional to 173,893.60, 260,712.78 and 55,496.68 is: 83,204.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,893.60 : 260,712.78 = 55,496.68 : x
  2. Step 2: Convert to fraction form
    173,893.60/260,712.78 = 55,496.68/x
  3. Step 3: Cross multiply
    173,893.60x = 260,712.78 × 55,496.68
  4. Step 4: Simplify right side
    173,893.60x = 14,468,693,723.57
  5. Step 5: Solve for x
    x = 14,468,693,723.57/173,893.60
  6. Step 6: Final answer
    x = 83,204.29

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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.