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Finding the Fourth Proportional to 86,313.03, 129,417.71 and 33,747.27

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Solution

The fourth proportional to 86,313.03, 129,417.71 and 33,747.27 is: 50,600.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,313.03 : 129,417.71 = 33,747.27 : x
  2. Step 2: Convert to fraction form
    86,313.03/129,417.71 = 33,747.27/x
  3. Step 3: Cross multiply
    86,313.03x = 129,417.71 × 33,747.27
  4. Step 4: Simplify right side
    86,313.03x = 4,367,494,233.42
  5. Step 5: Solve for x
    x = 4,367,494,233.42/86,313.03
  6. Step 6: Final answer
    x = 50,600.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.