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Finding the Fourth Proportional to 173,998.73, 260,942.51 and 55,641.94

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Solution

The fourth proportional to 173,998.73, 260,942.51 and 55,641.94 is: 83,445.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,998.73 : 260,942.51 = 55,641.94 : x
  2. Step 2: Convert to fraction form
    173,998.73/260,942.51 = 55,641.94/x
  3. Step 3: Cross multiply
    173,998.73x = 260,942.51 × 55,641.94
  4. Step 4: Simplify right side
    173,998.73x = 14,519,346,971.62
  5. Step 5: Solve for x
    x = 14,519,346,971.62/173,998.73
  6. Step 6: Final answer
    x = 83,445.13

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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.