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Finding the Fourth Proportional to 173,938.97, 260,945.71 and 53,993.30

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Solution

The fourth proportional to 173,938.97, 260,945.71 and 53,993.30 is: 81,001.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,938.97 : 260,945.71 = 53,993.30 : x
  2. Step 2: Convert to fraction form
    173,938.97/260,945.71 = 53,993.30/x
  3. Step 3: Cross multiply
    173,938.97x = 260,945.71 × 53,993.30
  4. Step 4: Simplify right side
    173,938.97x = 14,089,318,564.03
  5. Step 5: Solve for x
    x = 14,089,318,564.03/173,938.97
  6. Step 6: Final answer
    x = 81,001.51

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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.