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Finding the Fourth Proportional to 70,922.03, 97,871.19 and 39,093.89

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Solution

The fourth proportional to 70,922.03, 97,871.19 and 39,093.89 is: 53,948.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,922.03 : 97,871.19 = 39,093.89 : x
  2. Step 2: Convert to fraction form
    70,922.03/97,871.19 = 39,093.89/x
  3. Step 3: Cross multiply
    70,922.03x = 97,871.19 × 39,093.89
  4. Step 4: Simplify right side
    70,922.03x = 3,826,165,536.03
  5. Step 5: Solve for x
    x = 3,826,165,536.03/70,922.03
  6. Step 6: Final answer
    x = 53,948.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.