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Finding the Fourth Proportional to 86,713.97, 119,622.29 and 67,559.49

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Solution

The fourth proportional to 86,713.97, 119,622.29 and 67,559.49 is: 93,198.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,713.97 : 119,622.29 = 67,559.49 : x
  2. Step 2: Convert to fraction form
    86,713.97/119,622.29 = 67,559.49/x
  3. Step 3: Cross multiply
    86,713.97x = 119,622.29 × 67,559.49
  4. Step 4: Simplify right side
    86,713.97x = 8,081,620,567.23
  5. Step 5: Solve for x
    x = 8,081,620,567.23/86,713.97
  6. Step 6: Final answer
    x = 93,198.60

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1.5x scale

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.