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Finding the Fourth Proportional to 86,604.39, 119,447.87 and 59,791.77

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Solution

The fourth proportional to 86,604.39, 119,447.87 and 59,791.77 is: 82,466.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,604.39 : 119,447.87 = 59,791.77 : x
  2. Step 2: Convert to fraction form
    86,604.39/119,447.87 = 59,791.77/x
  3. Step 3: Cross multiply
    86,604.39x = 119,447.87 × 59,791.77
  4. Step 4: Simplify right side
    86,604.39x = 7,141,999,271.07
  5. Step 5: Solve for x
    x = 7,141,999,271.07/86,604.39
  6. Step 6: Final answer
    x = 82,466.94

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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.