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Finding the Fourth Proportional to 70,933.20, 97,888.02 and 39,101.41

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Solution

The fourth proportional to 70,933.20, 97,888.02 and 39,101.41 is: 53,960.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,933.20 : 97,888.02 = 39,101.41 : x
  2. Step 2: Convert to fraction form
    70,933.20/97,888.02 = 39,101.41/x
  3. Step 3: Cross multiply
    70,933.20x = 97,888.02 × 39,101.41
  4. Step 4: Simplify right side
    70,933.20x = 3,827,559,604.11
  5. Step 5: Solve for x
    x = 3,827,559,604.11/70,933.20
  6. Step 6: Final answer
    x = 53,960.06

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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.