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Finding the Fourth Proportional to 70,674.12, 97,534.88 and 43,834.47

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Solution

The fourth proportional to 70,674.12, 97,534.88 and 43,834.47 is: 60,494.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,674.12 : 97,534.88 = 43,834.47 : x
  2. Step 2: Convert to fraction form
    70,674.12/97,534.88 = 43,834.47/x
  3. Step 3: Cross multiply
    70,674.12x = 97,534.88 × 43,834.47
  4. Step 4: Simplify right side
    70,674.12x = 4,275,389,597.33
  5. Step 5: Solve for x
    x = 4,275,389,597.33/70,674.12
  6. Step 6: Final answer
    x = 60,494.42

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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.