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Finding the Fourth Proportional to 86,286.80, 119,092.28 and 52,313.80

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Solution

The fourth proportional to 86,286.80, 119,092.28 and 52,313.80 is: 72,203.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,286.80 : 119,092.28 = 52,313.80 : x
  2. Step 2: Convert to fraction form
    86,286.80/119,092.28 = 52,313.80/x
  3. Step 3: Cross multiply
    86,286.80x = 119,092.28 × 52,313.80
  4. Step 4: Simplify right side
    86,286.80x = 6,230,169,717.46
  5. Step 5: Solve for x
    x = 6,230,169,717.46/86,286.80
  6. Step 6: Final answer
    x = 72,203.05

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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.