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Finding the Fourth Proportional to 70,962.83, 97,930.97 and 40,754.29

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Solution

The fourth proportional to 70,962.83, 97,930.97 and 40,754.29 is: 56,242.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,962.83 : 97,930.97 = 40,754.29 : x
  2. Step 2: Convert to fraction form
    70,962.83/97,930.97 = 40,754.29/x
  3. Step 3: Cross multiply
    70,962.83x = 97,930.97 × 40,754.29
  4. Step 4: Simplify right side
    70,962.83x = 3,991,107,268.45
  5. Step 5: Solve for x
    x = 3,991,107,268.45/70,962.83
  6. Step 6: Final answer
    x = 56,242.22

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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.